Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)
6th Edition
ISBN: 9780321914620
Author: Jeffrey O. Bennett, William L. Briggs
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 5.E, Problem 43E
To determine
The level of causality assign to the idea that human activity causes global warming. And also how to deal the issue of global warming is explained.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
=
12:02
WeBWorK / 2024 Fall Rafeek MTH23 D02
/ 9.2 Testing the Mean mu / 3
38
WEBWORK
Previous Problem
Problem List
Next Problem
9.2 Testing the Mean mu:
Problem 3
(1 point)
Test the claim that the population of sophomore college
students has a mean grade point average greater than 2.2.
Sample statistics include n = 71, x = 2.44, and s = 0.9.
Use a significance level of a = 0.01.
The test statistic is
The P-Value is between :
The final conclusion is
< P-value <
A. There is sufficient evidence to support the claim that
the mean grade point average is greater than 2.2.
○ B. There is not sufficient evidence to support the claim
that the mean grade point average is greater than 2.2.
Note: You can earn partial credit on this problem.
Note: You are in the Reduced Scoring Period. All work counts for
50% of the original.
Preview My Answers Submit Answers
You have attempted this problem 0 times.
You have unlimited attempts remaining.
.
Oli
wwm01.bcc.cuny.edu
>tt 1:32
> trend.1m 1m (sales
> summary(trend.1m)
-
tt) #3###23 (i) ####
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 2107.220
57.997 36.332e-16 ***
tt
-43.500
3.067 -14.18 7.72e-15 ***
> trend = ts (fitted (trend.1m), start-start (sales), freq-frequency (sales))
sales trend ###23%23 (ii) ####
as.numeric((1:32 %% 4)
> X
> q1
> q2
> q3
> 94
=
=
=
=
-
as.numeric((1:32 %% 4)
as.numeric((1:32 %% 4)
as.numeric((1:32 %% 4)
== 1)
2)
==
== 3)
==
0)
> season.lm = 1m (resid (trend.1m) 0+q1 + q2 + q3 + q4) #3##23%23 (iii) ####
> summary(season.1m)
Coefficients:
Estimate Std. Error t value Pr(>|t|)
q1
-38.41
43.27 -0.888 0.38232
92
18.80
43.27
0.435 0.66719
q3
-134.78
43.27
-3.115 0.00422 **
94
154.38
43.27 3.568
0.00132 **
> season = ts (fitted (season.lm), start=start (sales), freq=frequency (sales))
> Y X season %23%23%23%23 (iv) ####
>ar (Y, aic=FALSE, order.max=1) #23%23%23%23 (v) ####
Coefficients:
1
0.5704
Order selected 1 sigma 2 estimated as 9431
> ar(Y, aic=FALSE,…
Please sketch questions 1, 2 and 6
Chapter 5 Solutions
Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)
Ch. 5.A - You conduct a poll in which you randomly select...Ch. 5.A - Results of the poll described in question 1 would...Ch. 5.A - When we say that a sample is representative of the...Ch. 5.A - Consider an experiment designed to test whether...Ch. 5.A - The experiment described in question 4 is a....Ch. 5.A - The purpose of a placebo is a. to prevent...Ch. 5.A - Prob. 7QQCh. 5.A - An experiment is single-blind if a. it lacks a...Ch. 5.A - Poll X predicts that Powell will receive 49% of...Ch. 5.A - A survey reveals that 12% of Americans believe...
Ch. 5.A - 1. Why do we say that the term statistics has two...Ch. 5.A - 2. Define the terms populatíon, sample, population...Ch. 5.A - Describe the five basic steps in a statistical...Ch. 5.A - Why is a so important that a statistical study use...Ch. 5.A - Prob. 5ECh. 5.A - Prob. 6ECh. 5.A - What is a placebo? Describe the placebo effect and...Ch. 5.A - What is meant by the margin of error in a survey...Ch. 5.A - In my experimental study, I used a sample that was...Ch. 5.A - I followed all the guidelines for sample selection...Ch. 5.A - I wanted to test the effects of vitamin C on...Ch. 5.A - I don’t believe the results of the experiment...Ch. 5.A - Prob. 13ECh. 5.A - By choosing my sample carefully, I can make a good...Ch. 5.A - Population and Sample. For the following studies,...Ch. 5.A - 15–20: Population and Sample. For the following...Ch. 5.A - 15–20: Population and Sample. For the following...Ch. 5.A - 15–20: Population and Sample. For the following...Ch. 5.A - Population and Sample. For the following studies,...Ch. 5.A - Population and Sample. For the following studies,...Ch. 5.A - Steps in a Study. Describe how you would apply the...Ch. 5.A - Prob. 22ECh. 5.A - Prob. 23ECh. 5.A - Steps in a Study. Describe how you would apply the...Ch. 5.A - Prob. 25ECh. 5.A - Prob. 26ECh. 5.A - Representative Sample? You want to determine the...Ch. 5.A - Representative Sample? You want to determine the...Ch. 5.A - Identify the Sampling Method. Identify the...Ch. 5.A - Identify the Sampling Method. Identify the...Ch. 5.A - Identify the Sampling Method. Identify the...Ch. 5.A - 29–34: Identify the Sampling Method. Identify the...Ch. 5.A - Identify the Sampling Method. Identify the...Ch. 5.A - Identify the Sampling Method. Identify the...Ch. 5.A - Type of Study. Determine whether the following...Ch. 5.A - Type of Study. Determine whether the following...Ch. 5.A - Type of Study. Determine whether the following...Ch. 5.A - Type of Study. Determine whether the following...Ch. 5.A - Type of Study. Determine whether the following...Ch. 5.A - Type of Study. Determine whether the following...Ch. 5.A - What Type of Study? What type of statistical study...Ch. 5.A - What Type of Study? What type of statistical study...Ch. 5.A - What Type of Study? What type of statistical study...Ch. 5.A - Prob. 44ECh. 5.A - Prob. 45ECh. 5.A - Prob. 46ECh. 5.A - Margin of Error. The following summaries of...Ch. 5.A - Prob. 48ECh. 5.A - Margin of Error. The following summaries of...Ch. 5.A - Margin of Error. The following summaries of...Ch. 5.A - Prob. 51ECh. 5.A - Prob. 52ECh. 5.A - Prob. 53ECh. 5.A - Prob. 54ECh. 5.A - Real Studies. Consider the following statistical...Ch. 5.A - Real Studies. Consider the following statistical...Ch. 5.A - Prob. 57ECh. 5.A - Prob. 58ECh. 5.A - Prob. 59ECh. 5.A - Prob. 60ECh. 5.A - Statistics in the News. Select three news stories...Ch. 5.A - 62. Statistics in Your Major. Write two to three...Ch. 5.A - Prob. 63ECh. 5.A - Prob. 64ECh. 5.A - 65. Poor Sampling. Find a new article about a...Ch. 5.A - 66. Good Sampling. Find a recent news article that...Ch. 5.A - 67. Margin of Error. Find a report of a recent...Ch. 5.A - Prob. 68ECh. 5.A - Prob. 69ECh. 5.B - You read about an issue that was the subject of an...Ch. 5.B - A study conducted by the oil company Exxon Mobil...Ch. 5.B - Consider a study designed to learn about the...Ch. 5.B - The show American Idol selects winners based on...Ch. 5.B - Consider an experiment in which you measure the...Ch. 5.B - Consider a survey in which 1000 people are asked...Ch. 5.B - Imagine that a survey of randomly selected people...Ch. 5.B - You want to know whether people prefer Smith or...Ch. 5.B - A self-selected survey is one in which a. the...Ch. 5.B - If a statistical study is carefully conducted tn...Ch. 5.B - Prob. 1ECh. 5.B - Prob. 2ECh. 5.B - Prob. 3ECh. 5.B - Prob. 4ECh. 5.B - The TV survey got more than 1 million...Ch. 5.B - Thc survey of religious beliefs suffered from...Ch. 5.B - My experiment proved beyond a doubt that vitamin C...Ch. 5.B - Everyone who jogs for exercise should try the new...Ch. 5.B - Should You Believe This Study? Based solely on the...Ch. 5.B - Should You Believe This Study? Based solely on the...Ch. 5.B - Prob. 11ECh. 5.B - 9–20: Should You Believe This Study? Based solely...Ch. 5.B - Should You Believe This Study? Based solely on the...Ch. 5.B - Should You Believe This Study? Based solely on the...Ch. 5.B - Should You Believe This Study? Based solely on the...Ch. 5.B - Should You Believe This Study? Based solely on the...Ch. 5.B - Prob. 17ECh. 5.B - Should You Believe This Study? Based solely on the...Ch. 5.B - Should You Believe This Study? Based solely on the...Ch. 5.B - Prob. 20ECh. 5.B - 21–26: Should You Believe This Claim? Based solely...Ch. 5.B - Should You Believe This Claim? Based solely on the...Ch. 5.B - Prob. 23ECh. 5.B - Prob. 24ECh. 5.B - Prob. 25ECh. 5.B - Should You Believe This Claim? Based solely on the...Ch. 5.B - Prob. 27ECh. 5.B - Prob. 28ECh. 5.B - Prob. 29ECh. 5.B - Prob. 30ECh. 5.B - Prob. 31ECh. 5.B - Prob. 32ECh. 5.B - Bias. Identify at least one potential source of...Ch. 5.B - Prob. 34ECh. 5.B - 35. Its All in the Wording. Princeton Survey...Ch. 5.B - Prob. 36ECh. 5.B - Prob. 37ECh. 5.B - Stat-Bytes. Much like sound bytes of news stories,...Ch. 5.B - Prob. 39ECh. 5.B - Prob. 40ECh. 5.B - Prob. 41ECh. 5.B - Prob. 42ECh. 5.B - Accurate Headlines? Consider the following...Ch. 5.B - 43–44: Accurate Headlines? Consider the following...Ch. 5.B - 45. What is the Question? Discuss the differences...Ch. 5.B - 46. Exercise and Dementia. A recent study in the...Ch. 5.B - Prob. 47ECh. 5.B - Prob. 48ECh. 5.B - Prob. 49ECh. 5.B - Prob. 50ECh. 5.C - Prob. 1QQCh. 5.C - For the class described in question 1, what was...Ch. 5.C - Prob. 3QQCh. 5.C - The sizes of the wedges in a pie chart tell you a....Ch. 5.C - You have a table listing ten tourist attractions...Ch. 5.C - In the table of tourist attractions and visitors...Ch. 5.C - You have a list of the GPAs of 100 college...Ch. 5.C - You have a list of the average gasoline price for...Ch. 5.C - A histogram is a. a graph that shows how some...Ch. 5.C - You have a histogram and you want to convert it...Ch. 5.C - Prob. 1ECh. 5.C - Prob. 2ECh. 5.C - Prob. 3ECh. 5.C - Prob. 4ECh. 5.C - Prob. 5ECh. 5.C - 6. What two types of graphs are most common when...Ch. 5.C - I made a frequency table with two columns, one...Ch. 5.C - The relative frequency of B grades in our class...Ch. 5.C - Prob. 9ECh. 5.C - Prob. 10ECh. 5.C - Prob. 11ECh. 5.C - Your pie chart must be wrong, because when I added...Ch. 5.C - Prob. 13ECh. 5.C - I rearranged the bars on my histogram the tallest...Ch. 5.C - Prob. 15ECh. 5.C - Frequency Tables. Make frequency table for the...Ch. 5.C - Prob. 17ECh. 5.C - Qualitative versus Quantitative. Determine whether...Ch. 5.C - Prob. 19ECh. 5.C - Qualitative versus Quantitative. Determine whether...Ch. 5.C - Qualitative versus Quantitative. Determine whether...Ch. 5.C - Qualitative versus Quantitative. Determine whether...Ch. 5.C - 17–24: Qualitative versus Quantitative. Determine...Ch. 5.C - Qualitative versus Quantitative. Determine whether...Ch. 5.C - Binned Frequency Tables. Use the given bin sizes...Ch. 5.C - Binned Frequency Tables. Use the given bin sizes...Ch. 5.C - Largest States. Make a bar graph of the...Ch. 5.C - Prob. 28ECh. 5.C - Prob. 29ECh. 5.C - Pie Charts. Construct pie charts for the following...Ch. 5.C - Oscar-Winning Actors. The following frequcncy...Ch. 5.C - 32. Teacher Salaries. The following table shows...Ch. 5.C - 13. Cell Phone Subscriptions. The following table...Ch. 5.C - Prob. 34ECh. 5.C - Prob. 35ECh. 5.C - Prob. 36ECh. 5.C - Prob. 37ECh. 5.C - Prob. 38ECh. 5.C - Prob. 39ECh. 5.C - Prob. 40ECh. 5.C - Prob. 41ECh. 5.C - Prob. 42ECh. 5.C - Prob. 43ECh. 5.C - Alcohol-Related Motor Vehicle Fatalities. Figure...Ch. 5.C - Prob. 45ECh. 5.C - Prob. 46ECh. 5.C - Prob. 47ECh. 5.C - Prob. 48ECh. 5.C - 49. Bar Graph. Find a recent news article tha...Ch. 5.C - 50. Pie Chart. Find a recent news article that...Ch. 5.C - 51. Histogram. Find a recent news article that...Ch. 5.C - 52. Line Chart. Find a recent news article that...Ch. 5.C - 53. Making a Frequency Table. The following...Ch. 5.C - Prob. 54ECh. 5.C - Prob. 55ECh. 5.C - Prob. 56ECh. 5.C - Prob. 57ECh. 5.D - Prob. 1QQCh. 5.D - Prob. 2QQCh. 5.D - Consider Figure 5.16. According to this graph,...Ch. 5.D - Prob. 4QQCh. 5.D - Prob. 5QQCh. 5.D - Prob. 6QQCh. 5.D - Prob. 7QQCh. 5.D - Prob. 8QQCh. 5.D - 9. Consider Figure 5.22(a). Moving one tick mark...Ch. 5.D - 10. Consider Figure 5.23(a). In years where the...Ch. 5.D - Briefly describe the construction and use of...Ch. 5.D - What are geographical data? Briefly describe at...Ch. 5.D - What are three-dimensional graphics? Explain the...Ch. 5.D - What are infographics, and what is their goal?Ch. 5.D - Prob. 5ECh. 5.D - 6. What is an exponential scale? When is an...Ch. 5.D - Explain how a graph that shows percentage change...Ch. 5.D - Prob. 8ECh. 5.D - My bar chart contains more information than yours,...Ch. 5.D - 10. I used an exponential scale because the data...Ch. 5.D - Prob. 11ECh. 5.D - A graph showing the yearly rate of increase in the...Ch. 5.D - 13. Net Grain Production. Net grain production is...Ch. 5.D - Education and Earnings. Examine Figure 5.l2(a),...Ch. 5.D - 15. Education and Earnings. Examine Figure...Ch. 5.D - Gender and Test Scores. Consider the data...Ch. 5.D - Gender and Test Scores. Consider the data...Ch. 5.D - Prob. 18ECh. 5.D - College Costs Stack Plot. Answer the following...Ch. 5.D - College Degrees. Figure 5.26 shows the numbers of...Ch. 5.D - Federal Spending. Figure 5.27 shows the major...Ch. 5.D - Melanoma Mortality. Figure 5.28 shows the female...Ch. 5.D - Contour Maps. Consider the contour map in Figure...Ch. 5.D - Prob. 24ECh. 5.D - Prob. 25ECh. 5.D - Prob. 26ECh. 5.D - Prob. 27ECh. 5.D - Three-DimensionaI Pies. The pie charts in Figure...Ch. 5.D - Prob. 29ECh. 5.D - Prob. 30ECh. 5.D - Cell Phone Users. The following table shows the...Ch. 5.D - Prob. 32ECh. 5.D - World Population. Recast the population data in...Ch. 5.D - Prob. 34ECh. 5.D - HIV Distribution. Figure 5.36 displays the wealth...Ch. 5.D - Creating Graphics. Make a graphical display of the...Ch. 5.D - Prob. 37ECh. 5.D - Prob. 38ECh. 5.D - 36-40: Creating Graphics. Make a graphical display...Ch. 5.D - Prob. 40ECh. 5.D - Prob. 41ECh. 5.D - Prob. 42ECh. 5.D - Prob. 43ECh. 5.D - Prob. 44ECh. 5.D - Prob. 45ECh. 5.D - 46. Interactive Infographics. Find a few examples...Ch. 5.E - If X is correlated with Y, a. X causes Y. b....Ch. 5.E - Prob. 2QQCh. 5.E - If the points on a scatterplot fall on a nearly...Ch. 5.E - If the points on a scatterplot fall into a broad...Ch. 5.E - When can you rule out the possibility that changes...Ch. 5.E - What type of correlation would you expect between...Ch. 5.E - You have found a higher rate of birth defects...Ch. 5.E - Based on the data in Figure 5.38, abou how much...Ch. 5.E - Which of the following statements best describes...Ch. 5.E - A finding by a jury that a pcrson is guilty...Ch. 5.E - What is a correlation? Give three examples of...Ch. 5.E - What is a scatterplot, and how is one made? How...Ch. 5.E - Prob. 3ECh. 5.E - Describe the three general categories of...Ch. 5.E - 5. Briefly describe each of the six guidelines...Ch. 5.E - Briefly describe three levels of confidence in...Ch. 5.E - There is a strong negative correlation between the...Ch. 5.E - There is a strong positive correlation between the...Ch. 5.E - I found a nearly perfect positive correlation...Ch. 5.E - I found a nearly perfect negative correlation...Ch. 5.E - I had originally suspected that an increase in...Ch. 5.E - Prob. 12ECh. 5.E - Interpreting Scatterplots. Consider the following...Ch. 5.E - Prob. 14ECh. 5.E - Interpreting Scatterplots. Consider the following...Ch. 5.E - 13–16: Interpreting Scatterplots. Consider the...Ch. 5.E - Types of Correlation. For the following pairs of...Ch. 5.E - Types of Correlation. For the following pairs of...Ch. 5.E - Types of Correlation. For the following pairs of...Ch. 5.E - Types of Correlation. For the following pairs of...Ch. 5.E - 17–24: Types of Correlation. For the following...Ch. 5.E - Types of Correlation. For the following pairs of...Ch. 5.E - 17–24: Types of Correlation. For the following...Ch. 5.E - Types of Correlation. For the following pairs of...Ch. 5.E - Making Satterplots. Consider the following data...Ch. 5.E - Making Satterplots. Consider the following data...Ch. 5.E - Making Satterplots. Consider the following data...Ch. 5.E - Prob. 28ECh. 5.E - Making Satterplots. Consider the following data...Ch. 5.E - Making Satterplots. Consider the following data...Ch. 5.E - Federal Aid and Representation. For each of 31...Ch. 5.E - Correlation and Causality. Consider the following...Ch. 5.E - Correlation and Causality. Consider the following...Ch. 5.E - Correlation and Causality. Consider the following...Ch. 5.E - Correlation and Causality. Consider the following...Ch. 5.E - Correlation and Causality. Consider the following...Ch. 5.E - Prob. 37ECh. 5.E - 38. Identifying Causes: Headaches. You are trying...Ch. 5.E - 39. Smoking and Lung Cancer. There is a strong...Ch. 5.E - Prob. 40ECh. 5.E - Prob. 41ECh. 5.E - Prob. 42ECh. 5.E - Prob. 43ECh. 5.E - Prob. 44ECh. 5.E - Prob. 45ECh. 5.E - Prob. 46ECh. 5.E - Prob. 47ECh. 5.E - Prob. 48E
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, subject and related others by exploring similar questions and additional content below.Similar questions
- QUESTION 18 - 1 POINT Jessie is playing a dice game and bets $9 on her first roll. If a 10, 7, or 4 is rolled, she wins $9. This happens with a probability of . If an 8 or 2 is rolled, she loses her $9. This has a probability of J. If any other number is rolled, she does not win or lose, and the game continues. Find the expected value for Jessie on her first roll. Round to the nearest cent if necessary. Do not round until the final calculation. Provide your answer below:arrow_forwardsolve questions 3, 4,5, 7, 8, and 9arrow_forwardFind the perimeter and areaarrow_forward
- 4. Please solve this for me and show every single step. I am studying and got stuck on this practice question, and need help in solving it. Please be very specific and show every step. Thanks. I WANT A HUMAN TO SOLVE THIS PLEASE.arrow_forward3. Please solve this for me and show every single step. I am studying and got stuck on this practice question, and need help in solving it. Please be very specific and show every step. Thanks.arrow_forward5. Please solve this for me and show every single step. I am studying and got stuck on this practice question, and need help in solving it. Please be very specific and show every step. Thanks. I WANT A HUMAN TO SOLVE THIS PLEASE.arrow_forward
- 2. Please solve this for me and show every single step. I am studying and got stuck on this practice question, and need help in solving it. Please be very specific and show every step. Thanks.arrow_forward1. Please solve this for me and show every single step. I am studying and got stuck on this practice question, and need help in solving it. Please be very specific and show every step. Thanks.arrow_forwardAssume {u1, U2, us} spans R³. Select the best statement. A. {U1, U2, us, u4} spans R³ unless u is the zero vector. B. {U1, U2, us, u4} always spans R³. C. {U1, U2, us, u4} spans R³ unless u is a scalar multiple of another vector in the set. D. We do not have sufficient information to determine if {u₁, u2, 43, 114} spans R³. OE. {U1, U2, 3, 4} never spans R³. F. none of the abovearrow_forward
- Q1/Details of square footing are as follows: DL = 800 KN, LL = 500 kN, Fy=414 MPa, Fc = 20 MPa Footing, qa = 120 kPa, Column (400x400) mm. Determine the dimensions of footing and thickness? Q2/ For the footing system shown in Figure below, find the suitable size (BxL) for: 1. Non uniform pressure, 2. Uniform pressure, 3.Uniform pressure with moment in clockwise direction. (Use qmax=qall =200kPa). Property, line M=200KN.m 1m P-1000KNarrow_forwardRefer to page 52 for solving the heat equation using separation of variables. Instructions: • • • Write the heat equation in its standard form and apply boundary and initial conditions. Use the method of separation of variables to derive the solution. Clearly show the derivation of eigenfunctions and coefficients. Provide a detailed solution, step- by-step. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qo Hazb9tC440AZF/view?usp=sharing]arrow_forwardAssume {u1, U2, 13, 14} spans R³. Select the best statement. A. {U1, U2, u3} never spans R³ since it is a proper subset of a spanning set. B. {U1, U2, u3} spans R³ unless one of the vectors is the zero vector. C. {u1, U2, us} spans R³ unless one of the vectors is a scalar multiple of another vector in the set. D. {U1, U2, us} always spans R³. E. {U1, U2, u3} may, but does not have to, span R³. F. none of the abovearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Discrete Mathematics and Its Applications ( 8th I...MathISBN:9781259676512Author:Kenneth H RosenPublisher:McGraw-Hill EducationMathematics for Elementary Teachers with Activiti...MathISBN:9780134392790Author:Beckmann, SybillaPublisher:PEARSON
- Thinking Mathematically (7th Edition)MathISBN:9780134683713Author:Robert F. BlitzerPublisher:PEARSONDiscrete Mathematics With ApplicationsMathISBN:9781337694193Author:EPP, Susanna S.Publisher:Cengage Learning,Pathways To Math Literacy (looseleaf)MathISBN:9781259985607Author:David Sobecki Professor, Brian A. MercerPublisher:McGraw-Hill Education
Discrete Mathematics and Its Applications ( 8th I...
Math
ISBN:9781259676512
Author:Kenneth H Rosen
Publisher:McGraw-Hill Education
Mathematics for Elementary Teachers with Activiti...
Math
ISBN:9780134392790
Author:Beckmann, Sybilla
Publisher:PEARSON
Thinking Mathematically (7th Edition)
Math
ISBN:9780134683713
Author:Robert F. Blitzer
Publisher:PEARSON
Discrete Mathematics With Applications
Math
ISBN:9781337694193
Author:EPP, Susanna S.
Publisher:Cengage Learning,
Pathways To Math Literacy (looseleaf)
Math
ISBN:9781259985607
Author:David Sobecki Professor, Brian A. Mercer
Publisher:McGraw-Hill Education
what is Research Design, Research Design Types, and Research Design Methods; Author: Educational Hub;https://www.youtube.com/watch?v=LpmGSioXxdo;License: Standard YouTube License, CC-BY