Gender Yes Girls 537 328 Вoys 532 234 Conduct a test of hypothesis to determine if the two population proportions of girls and boys that use youtube for studying are different, at 5% level of significance. Use the rejection region approach. Complete solutions are required.

Gender Yes Girls 537 328 Вoys 532 234 Conduct a test of hypothesis to determine if the two population proportions of girls and boys that use youtube for studying are different, at 5% level of significance. Use the rejection region approach. Complete solutions are required.

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: Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 39 of the…

A: Two proportion Z test is applicable here

Q: Random samples of 50 women and 50 men are taken at Norwich University. They are asked their reaction…

A: Sample sizes n1=50 ,n2=50Favorable cases x1=23 ,n2=19

Q: A recent drug survey showed an increase in the use of drugs and alcohol among local high school…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: Compute the value of the test statistic. (to 2 decimals) What is the p-value?

A: The test statistic is, t=x¯1-x¯2s12n1+s22n2=6.82-6.250.64216+0.75210=0.570.28609439=1.9923≈1.99…

Q: Candidate T wants to determine if there is a difference in his popularity between men and women. To…

Q: Many people believe that criminals who plead guilty tend to get lighter sentences than those who are…

A: Introduction: Chi-square test for independence of attributes in case of 2×2 contingency table, The…

Q: Physicians conducted an experiment to investigate the effectiveness of external hip protectors in…

A: The provided information is Hip protector Control Hip fracture 13 67 No hip fracture 640…

Q: ake a GRE practice test. She then taught the students a relaxation exercise that they were to…

A: The dependent -samples t-test for a mean difference is used to compare the means of two related…

Q: Professor Jennings claims that only 35% of the students at Flora College work while attending…

A: The hypothesis tests, contain two hypothesis: null hypothesis and alternate hypothesis. The…

Q: shorter than 60 hours

A: For the given data : sample size, n = 10 sample mean, x̄ = 59.5 sample standard…

Q: How do you get online? A 2013 Pew Research survey of802 teens found that, among teens aged 12–17,…

Q: Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 43 of the…

A: Solution To find the confidence interval we will use the z distribution i.e. z critical value.

Q: Answer the given problem. Use the steps in hypothesis testing when presenting the results. A health…

A: Given that, A health researcher is interested in comparing 3 methods of weight loss: low calorie…

Q: level of significance and sample size

A: Level of significance: It is the probability of rejecting H0 when H0 is true. Sample size: it is…

Q: A large no. of households is divided in separate groups according to their attributes. Test the null…

A: The chi-square test is used to test the association between the row and column variables in a two…

Q: 30 Receive Medication Randomly Assigned Compare Level of All Symptoms after Sev Weeks 60 Subjects 30…

A: Given design:

Q: researcher ran an analysis to understand if corporate culture was related to business revenue. He…

Q: The General Social Survey determined in 2016 that 57% of US Residents think that the use of…

Q: Wages of workers Without a High School Diploma. SmartAsset reports that the average weekly earnings…

A: Given: In 2018, the average weekly earning workers is $493, who have not received a high school…

Q: According to a recent report, 21% of all adults routinely skip breakfast. A researcher believes this…

Q: Select the most appropriate response. Five years ago, a survey found that the proportion of city…

A: Solution: The null and alternative hypotheses are:

Q: The manufacturer of a new racecar engine claims that the proportion of engine failures due to…

A: Given: Significance level = 0.05

Q: fragrance free laundry soap.

A: To test the percentage of customers who prefer fragrance free laundry soap. This can be done using…

Q: According to a report on consumer fraud and identity theft, 24% of all complaints for a year were…

A: given data, claim:p>0.24x=857n=3401α=0.05we have to complete hypothesis for the given data,

Q: decimal places. a. Complete the table. District Observed Expected A B C D 34 7 17 23 Total 81 000…

A: Ho : pA=0.3, pB=0.1, pC=0.2, pD=0.4 Note: According to bartelby question answer guidelines an…

Q: A hypothesis test is conducted to determine whether the percentage of US adults that think marijuana…

A: Given,n=400x=144p^=xnp^=144400=0.36

Q: You want to know whether in the population, men and women differ in terms of their internet use. You…

A: The proportion of men said yes = 0.21 = p1The proportion of men said yes = 0.16 = p2 n1 = 100n2 =…

Q: 5. Two random samples, one from 95 employees of Division A and a second of 50 employees from…

A: Given the data Division Favor Oppose Uncertain Total A 44 39 12 95 B 21 26 3 50 Total 65 65…

Q: 19% of deaths among male adults can be attributed to heart diseases. Is this percentage different…

A: Solution: It is given that 19% of deaths among male students can be attributed to heart diseases.

Q: For a sample of n=16 scores, how many scores are used to calculate the sample variance?

Q: Game consoles: A poll taken by the Software Usability Research Laboratory surveyed 341 video gamers,…

A: From the given information we have given thatn = 341x = 110p = 25% = 0.25Significance level (α) =…

Q: Round to the fourth as needed Requirements (part 1): Requirements (part 2): H0H0:…

A: Here one sample proportion test( tow tail z test of proportion )

Q: Researchers are utilizing an independent samples t-test. One sample has 52 participants, and the…

A: The formula for the degrees of freedom for the independent samples t test is,

Q: Professors collected data consisting of eye color and gender of statistics students. Among 912 male…

Q: f you are asked to conduct a test, you need to write all the 5 steps. Step I. write correct…

Q: Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 42 of the…

Q: poll surveyed people about taxing sugar-sweetened beverages. The results are presented in the table…

A: Given: The data of a poll surveyed people about taxing sugar sweetened beverages. The statistical…

Q: According to a report on consumer fraud and identity theft, 26% of all complaints for a year were…

A: In this case, it is needed to check whether the data provide enough evidence to show that Missouri…

Q: Explain with example t Test for Two Population Means: Independent Samples (EPO Experiment).

A: Two samples are said to be independent if the sample values selected from one population are not…

Q: need part A result 270 incorrect.

A: The objective of the question is to test if the distribution of blood types among millionaires is…

Q: What proportion of students have a meal plan on campus? A local university claimed that 70% of…

A: Given that, a local university claimed that 70% of students had a campus meal plan. A random sample…

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 study wanted to compare the proportions of teenagers that use youtube for studying. A total of 1069
teenage boys and girls were surveyed. The response variables are Yes and No. Here are the data:

Gender
Yes
Girls
537
328
Вoys
532
234
Conduct a test of hypothesis to determine if the two population proportions of girls and boys that
use youtube for studying are different, at 5% level of significance. Use the rejection region
approach. Complete solutions are required.
Diagram:

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 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

A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 666 babies were born, and 333 of them interval estimate of the percentage of girls born. Based on the result, does the method appear to be effective? < p < (Round to three decimal places as needed.) n example Get more help - h
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
Babies and younger boys are more likely to be diagnosed with peanut allergies. To test this claim a group of researchers tested the allergies among a group of boys and girls aged below 18 years. A total of 540 kids were selected randomly and asked to eat a small amount of peanut. Group n x Boys 280 120 Girls 260 90 Do boys have a higher chance to be diagnosed with a peanut allergy? Calculate the test statistic. Calculate p-value.
In the Texas senate races, a candidate must clear 50% to avoid a runoff election. In a recent poll of 1040 voters in Texas, 51% of voters preferred candidate. We will a hypothesis test to see if we can say at the 5% significance level that more than 50% of voters in Texas prefer candidate based on this poll. State the null and alternative hypothesis. Find the test-statistic. Find the P-value. Make a conclusion. Interpret your answer.
Perform a statistical analysis/test of hypothesis, showing all the steps in hypothesis testing.
B? please
A researcher wants to know if peoples standardized test performance is influenced by what they are wearing. They ask 16 ppl to take the SAT while wearing their best professional outfit. 6 months later they have the same 16 ppl take the SAT while wearing a bathing suit. What test would you use and why? (z test, independent t test, single sample t test, paired samples)
dults aged 18 years old and older were randomly selected for a survey on obesity. Adults are considered obese if their body mass index (BMI) is at least 30. The researchers wanted to determine if the proportion of southern women who are obese is less than the proportion of southern men who are obese. The results are shown in the table below. Test at the 1% level of significance. Number who are obese Sample size Men 42,773 155,525 Women 67,176 248,775 a.State the distribution to use for the test. (Round your answers to five decimal places. b. What is the test statistic c. Conduct a Hypothesis Test
Show your complete solution II. Use an appropriate statistical tool to test the hypothesis. Use the stepwise method of hypothesis testing. 3. A researcher observed that students preferred several online class platforms. For this reason, he performs a survey to know whether or not gender is associated with online class platforms preference and he was able to gathered the following data Zoom Google Meet MS Teams Total Male 110 95 40 245 Female 105 100 50 255 Total 215 195 90 500
You want to find the prevalence of e-cigarette smoking is a given community. Which of these study designs would you use to test the hypothesis? Case-controlB. Cross-sectionalC. Cohort D. Experimental trials
The ages of undergraduate students at two universities (one in the east and one in the west) are being compared. Researchers want to know if there is a difference in the mean age of students at the two universities. The population standard deviations are known. The following data shows the results of samples collected at each institution: School Location n (sample size) sample mean (X ) population standard deviation West 33 25.78 6.29 East 35 23.16 7.52 What is the value of the test statistic for the previous problem? (Enter your answer as a positive value even if you calculated a negative test statistic value i.e. if you calculated -1.311 you should enter 1.311). Round your answer to 3 decimal places.