A Grades for Ivan Zepeda: 40231 X* HW 10.1,10.2+instructure.com/courses/2177802/assignments/13744575eA MapsQuestion 20х17.811.59.711.26.69.510.512.6118.714x27.768.94.99.711.46.82.86.67.25.98.7912.39.6Use the sample data shown above to decide whether u1 is different than µ2 at a = 0.01.Make sure you are looking at ALL the data.1. The population distribution requirement for this test is:O Need a normally distributed population since n and n2 < 30O None since this is a Z-testO None since nį and n2 > 30O Need a normally distributed population since this is a T-testThe hypotheses are:O Ho:µ1 > µ2; Ha: µ1 < µ2Ho:µi = µ2; Ha:µ1 # µ2O Ho:p1 = p2; Ha:p1 p2O Ho:µ1 < µ2; Ha:µ1 > µ2O Ho:p1 < P2; Ha:p1 > P2O Ho:p1 > P2; Ha:p1 < P22. This is a O rightO twoO left tailed test and the distribution used isOT since both o values are not knownO Z since both o values are knownOZ since testing two proportionsThe Degrees of Freedom (use the simple estimate discussed in the notes, not the messy formula) areMacBook Pro A Grades for Ivan Zepeda: 40231 XA HW 10.1,10.2+e.instructure.com/courses/2177802/assignments/13744575AMapsThe Degrees of Freedom (use the simple estimate discussed in the notes, not the messy formula) areO11O 10ON/A; this is a Z-test3. The STS (round to 3 decimals) is:The P-value (round to 4 decimals) is:4. The decision at a = 0.01 is:O Do not reject Ho since P < aO Do not reject Ho since P > aO Reject Ho since P > aO Reject Ho since P < aThe conclusion is:O There is sufficient evidence to conclude that ui is not different than u2O There is sufficient evidence to conclude that ui is different than u2O There is insufficient evidence to conclude that u is not different than u2O There is insufficient evidence to conclude tha is different than u2Submit QuestionMacBook Pro

Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

x1 7.8 11.5 9.7 11.2 6.6 9.5 10.5 12.6 11 8.7 14 x2 7.7 6. 8.9 4.9 9.7 11.4 6.8 2.8 6.6 7.2 5.9 8.7 12.3 9.6 Use the sample data shown above to decide whether u1 is different than u2 at a = 0.01. Make sure you are looking at ALL the data. 1. The population distribution requirement for this test is: O Need a normally distributed population since n1 and n2 < 30 O None since this is a Z-test O None since n and n2 > 30 O Need a normally distributed population since this is a T-test The hypotheses are: O Ho: µ1 > µ2; Ha: µ1 < µ2 O Ho: µ1 = µ2; Ha: µ1 # µ2 %3D O Ho:p1 = P2; Ha:p1 p2 O Ho: µ1 < µ2; Ha:µ1 > µ2 О Но: р < р2; На:pі > Р2 O Ho:p1 > P2; Ha:p1 < P2 2. This is a O rightO twoO left tailed test and the distribution used is OT since both o values are not known OZ since both o values are known OZ since testing two proportions

x1 7.8 11.5 9.7 11.2 6.6 9.5 10.5 12.6 11 8.7 14 x2 7.7 6. 8.9 4.9 9.7 11.4 6.8 2.8 6.6 7.2 5.9 8.7 12.3 9.6 Use the sample data shown above to decide whether u1 is different than u2 at a = 0.01. Make sure you are looking at ALL the data. 1. The population distribution requirement for this test is: O Need a normally distributed population since n1 and n2 < 30 O None since this is a Z-test O None since n and n2 > 30 O Need a normally distributed population since this is a T-test The hypotheses are: O Ho: µ1 > µ2; Ha: µ1 < µ2 O Ho: µ1 = µ2; Ha: µ1 # µ2 %3D O Ho:p1 = P2; Ha:p1 p2 O Ho: µ1 < µ2; Ha:µ1 > µ2 О Но: р < р2; На:pі > Р2 O Ho:p1 > P2; Ha:p1 < P2 2. This is a O rightO twoO left tailed test and the distribution used is OT since both o values are not known OZ since both o values are known OZ since testing two proportions

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: Assume that the service time mean suddenly increases by 1.5 minute. What is the number of samples,…

A: Given data: Sample x¯ R 1 4.2 3 2 4.6 1.1 3 4.7 2.8 4 4.7 2.6 5 4.8 5.4 6 5 1.8 7…

Q: b) What are the sample median annual salaries (in $) for the two professions? sample median = $…

A: (b) Obtain the sample median annual salaries for the profession Public Accountants. The sample…

Q: find the sample mean x-bar and the sample standard deviation s

Q: What is the mean of this data set? (Report answer using the rules suggested in class: 1 more d.p…

A: X (x-xbar)^2 24.7 102.8776 40.7 34.30612 21.8 170.1161 26.4 71.28184 39 17.28184 23.2…

Q: Assume that you want to test the claim that the paired sample data come from a population for which…

Q: Listed below are the lead concentrations in μg/g measured in different traditional medicines. Use a…

A: Sample size(n)=10sample mean(x¯)=4.5+12+13.5+3.5+19.5+17+13+18.5+17.5+19.510sample…

Q: What is the standard deviation of this data set? (Report answer using the rules suggested in clas…

A: Mean of the data set: M=40.2, from the excel function, =AVERAGE(D1:D70) Standard deviation of the…

Q: How do I find the mean for each of the samples listed

A: Provided data is: Sample 1 Sample 2 Sample 3 Sample 4 # X # X…

Q: choose a two digits number of your own choice and calculate the mean, median and mode.

A: Data: 11,13,15,19,21,20,20,20,13

Q: Which of the following is the correct interpretation of these paired-samples T test results? A.…

A: in paired t test we compares the means of two paired groups. which mean we check the difference…

Q: Use the Wilcoxon matched-pairs signed rank test to determine whether there is a significant…

A: The question is about non-parametric test Given : To find : 1 ) T- 2 ) T+ 3 ) Test stat 4 )…

Q: Use the data below for the Body Fat Percentages from 10 families, Men 21.2 18.0 25.2 16.7 24.0 13.5…

A: Given the data on the body fat percentage of 10 families.want to test the claim that the mean body…

Q: Here is a sample data set (n = after the data set). 15 21 21.8 23.2 23.4 23.8 23.8 24.3 26 26.9 28.3…

A: The given sample data is nearly normally distributed. Sample size n=48 The objective is to identify…

Q: Mouse weights. Find the mean and median for the data in the following table. Interval 41.5 - 43.5…

A: To find: Mean and median

Q: Find the mean for the given sample data. Unless otherwise specified, round your answer to one more…

A: The data values are: 578, 578, 358, 346, 499, 347, 353, 547, 470, 482 Total number of values (n) =…

Q: . For which data set is the sample correlation coefficient r closest to 0? B. Which data set has an…

Q: Find the standardized test statistic, z, to test the hypothesis that p, < p2. Use a = 0.10. The…

Q: Using the data below, calculate the correlation of these samples. Round your answer to 1 decimal…

A: The provided data set is: seed mass seedling height 5.06 7.91 5.06 7.25 5.5…

Q: Find the values of the UCL and LCL for the (x-bar) chart for this data, and round your answers to 3…

A: Refer to the table of sample values in Section 8.2 Exercise 6 of the text.Find the values of the UCL…

Q: Listed below are the lead concentrations in μg/g measured in different traditional medicines. Use a…

A: Given, Sample size = 10 Population mean = 15 Set up the null and the alternative hypothesis.

Q: Here is a sample data set that appears to be nearly normal (as suggested by the histogram). 25.8…

A: The given data is, X 25.8 32.7 42.4 36.2 21 37.7 31 33.3 34.4 31.2 28.6…

Q: Find the mode foe the given sample. 4.9 5.1 5.1 4.0 5.4 4.9 5.1 6.5 6.3 4.0 4.9 6.5 4.0 6.5

A: The objective of this question is to find the mode of the given sample. The mode is the value that…

Q: Select the correct histogram for the above data

A: A histogram is a graphical display of data using bars of different heights. In a histogram, each bar…

Q: The following data (see attached image) has been collected. You collected 8 samples, every day for…

A: 1. X-double bar = 15.95 2. R bar = 0.57

Q: Assume that you want to test the claim that the paired sample data (matched pairs) come from a…

A: Solution

Q: Find the mean of the sample mean. [Select] Find the standard error of the sample mean. [Select]

A: HERE AS PER GUIDELINES I HAVE CALCULATED 1ST MAIN QUESTION HERE GIVEN, n = 2 , sample of size 2…

Q: Listed below are the lead concentrations in μg/g measured in different traditional medicines. Use a…

A: Given that, Sample size n=10 Sample mean x¯=12 Sample standard deviation s=5.5827

Q: Using the data below, calculate the correlation of these samples. Round your answer to 1 decimal…

A: There are two related samples which are seed_mass and seedling_height. The independent variable is…

Q: The prediction error for an observation, which is the difference between the actual value and the…

A: here use basic of regression

Q: a. 14.0, 16.3, 18.7, 19.9, 21.3 b. 16.1, 13.4, 13.6, 14.9, 14.1, 10.5 Construct the 95%…

Q: Which of the following accurately describes the effect of increasing the sample size? Increases the…

A: Sample size determination is the process of determining the appropriate number of subjects to…

Q: Calculate the range, variance , and stanard deviation for the following a.4,2,1,0,1…

A: Note: Since it is not mentioned in the question whether the given data belongs to population or…

Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

A Grades for Ivan Zepeda: 40231 X
A HW 10.1,10.2
+
e.instructure.com/courses/2177802/assignments/13744575
AMaps
The Degrees of Freedom (use the simple estimate discussed in the notes, not the messy formula) are
O11
O 10
ON/A; this is a Z-test
3. The STS (round to 3 decimals) is:
The P-value (round to 4 decimals) is:
4. The decision at a = 0.01 is:
O Do not reject Ho since P < a
O Do not reject Ho since P > a
O Reject Ho since P > a
O Reject Ho since P < a
The conclusion is:
O There is sufficient evidence to conclude that ui is not different than u2
O There is sufficient evidence to conclude that ui is different than u2
O There is insufficient evidence to conclude that u is not different than u2
O There is insufficient evidence to conclude tha is different than u2
Submit Question
MacBook Pro

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Point Estimation, Limit Theorems, Approximations, and Bounds$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions

Samples of starting annual salaries for individuals entering the public accounting and financial planning professions follow. Annual salaries are shown in thousands of dollars. Public Accountant 51.2 57.8 57.3 58.2 53.2 55.0 51.9 58.5 57.0 52.9 Financial Planner 49.0 50.2 54.1 54.9 52.9 Find the value of the test statistic. W = 137.5 53.6 49.7 53.9 52.8 48.9 (a) Use a 0.05 level of significance and test the hypothesis that there is no difference between the starting annual salaries of public accountants and financial planners. State the null and alternative hypotheses. O Ho: Median salary for public accountants - Median salary for financial planners ≤ 0 H₂: Median salary for public accountants - Median salary for financial planners > 0 Ho: The two populations of salaries are identical. H₂: The two populations of salaries are not identical. O Ho: Median salary for public accountants - Median salary for financial planners 20 H₂: Median salary for public accountants - Median salary for…
To build a 95% CI for the mean of a population, you take a random sample and find these values: 18.4 19.8 17 18.6 23 21.7 18.9 14.3 17.6 21.2 21.4 23.4 20 20.7 15.2 21.9 21 What is the CI? Enter like this: (min,max) Be sure to use the parentheses or you will be marked wrong. Keep at least 3 decimals in all intermediate steps, and round your answer to two decimals. Submit Question
Here is a sample data set that appears to be nearly normal (as suggested by the histogram). 85.4 63.6 85.7 85.6 92.4 89.8 84.2 82.2 88 76.5 87.6 79 61.4 88.6 89.4 95 96.4 76.3 92.4 79.8 82.2 86.5 76.7 90.7 85.4 94 75.8 79.8 92.4 74.3 65 81.4 75.5 76.7 76.5 84.2 78.6 82.9 84.7 74.9 84 91.2 84.4 68.2 76 75.8 74.6 77.3 79.8 69.2 82.9 74.6 71.7 76.7 80 82.2 91.8 74.9 72.7 74.8 84 80.6 67.6 71.7 79.6 81.2 78.2 83.7 82.2 71.4 What is the mean of this data set? (Report answer using the rules suggested in class: 1 more d.p. than the data.)M=What is the standard deviation of this data set? (Report answer using the rules suggested in class: 2 more d.p. than the data.)SD=
Here is a sample data set (n = 48) that is nearly normal. 51 52 44.4 46.9 48.2 48.8 52 52.4 52.4| 53.4 51 53.5 54.3 55.1 57.3 58.2 58.4 58.6 58.6 58.8 59.2 60.5 60.8 61.4 61.8 62.7 63.3 63.5 64.2 65.7 65.7 66.2 66.9 67.6 69.8 70.3 70.7 72.7 73.2 67 68.3 74 How many outliers are in this data set? ans = 52 57.3 59.8 63.5 68 77.8
Listed below are the lead concentrations in μg/g measured in different traditional medicines. Use a 0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than 18 μg/g. Assume that the sample is a simple random sample. 13 15.5 3.5 8.5 17 18.5 8.5 19 9.5 20
Suppose the data represent the inches of rainfall in April for a certain city over the course of 20 years. 0.67 1.72 3.45 5.33 O 0.96 1.95 3.76 5.64 Determine the quartiles. 1.17 2.32 4.15 5.88 1.31 2.74 4.58 6.19 1.61 3.22 4.98 6.66 What are the quartiles? Q, = (Round to three decimal places as needed.) Q2 (Round to three decimal places as needed.) Q3 (Round to three decimal places as needed.) Statcrunch Submit quiz
Use the Wilcoxon matched-pairs signed rank test to determine whether there is a significant difference between the related populations represented by the data below. Assume a 5% level of significance and (differences = before - after). Before After 5.6 6.4 1.3 1.5 4.7 4.6 3.8 4.3 2.4 2.1 5.5 6.0 5.1 5.2 4.6 4.5 3.7 4.5 What is the value of T-? What is the value of T+? What is the test statistic, T? Using the table of Critical Values, what is the critical value for this study?
At the .05 significance level, does the data below show significant correlation? x y 3 12.87 4 13.66 5 17.95 6 23.44 7 15.93 8 13.62 9 27.91
Find the standardized test statistic, z, to test the hypothesis that p, p,. Use a = 0.02. The sample statistics listed below are from independent samples. Round to three decimal places. Sample statistics: n, = 1000, x, = 250, and n, = 1200, X2 = 195 O A. 3.212 O B. 2.798 O C. 5.087 O D. 4.761 Click to select your answer. 02/16/21 ch 2.3 Homework (99+ 000000 eesitphotoc