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Many students brag that they have more than 150 friends on a social media platform. For a class project, a group of students asked a random sample of 13 students at their college who used the social media platform about their number of friends and got the data available below. Is there strong evidence that the mean number of friends for the student population at the college who use the social media platform is larger than 150? Use the Inference for a Population Mean web app to complete parts a through d below. Be sure to use the data in this exercise and not the preloaded data when using the web app. Click the icon to view the data about the numbers of friends. ←…... OA. The proportion of students at the college who use the social media platform that have more than 150 friends OB. The mean number of friends for people who use the social media platform OC. The proportion of students at the college that use the social media platform D. The mean number of friends for students at the college who use the social media website O E. The number of friends for students at the college who use the social media platform b. State the null and alternative hypotheses. Ho: H = 150 Ha: H > 150 (Type integers or decimals. Do not round.) c. Find and interpret the test statistic value. t= 0.61 (Round to cimal plac What does the test statistic value represent? d.) OA. The test statistic value is the number of standard deviations from the null hypothesis value to the sample mean. OB. The test statistic value is the expected mean of the differences between the sample data and the null hypothesis value. OC. The test statistic value is the number of standard errors from the null hypothesis value to the sample mean. OD. The test statistic value is the difference between the sample mean and the null hypothesis value.

Many students brag that they have more than 150 friends on a social media platform. For a class project, a group of students asked a random sample of 13 students at their college who used the social media platform about their number of friends and got the data available below. Is there strong evidence that the mean number of friends for the student population at the college who use the social media platform is larger than 150? Use the Inference for a Population Mean web app to complete parts a through d below. Be sure to use the data in this exercise and not the preloaded data when using the web app. Click the icon to view the data about the numbers of friends. ←…... OA. The proportion of students at the college who use the social media platform that have more than 150 friends OB. The mean number of friends for people who use the social media platform OC. The proportion of students at the college that use the social media platform D. The mean number of friends for students at the college who use the social media website O E. The number of friends for students at the college who use the social media platform b. State the null and alternative hypotheses. Ho: H = 150 Ha: H > 150 (Type integers or decimals. Do not round.) c. Find and interpret the test statistic value. t= 0.61 (Round to cimal plac What does the test statistic value represent? d.) OA. The test statistic value is the number of standard deviations from the null hypothesis value to the sample mean. OB. The test statistic value is the expected mean of the differences between the sample data and the null hypothesis value. OC. The test statistic value is the number of standard errors from the null hypothesis value to the sample mean. OD. The test statistic value is the difference between the sample mean and the null hypothesis value.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question 7, 9.3.33

Many students brag that they have more than 150 friends on a social media platform. For a class project, a group of students asked a random sample of 13 students at their college who used the social media platform about their number of friends and got the data available below. Is there strong evidence that the mean number of friends for the student population at the college who use the social media platform is larger than 150? Use the Inference for a Population Mean web app to complete parts a through d below. Be sure to use the data in this exercise and not the preloaded data when using the web app. Click the icon to view the data about the numbers of friends. A. The proportion of students at the college who use the social media platform that have more than 150 friends B. The mean number of friends for people who use the social media platform C. The proportion of students at the college that use the social media platform D. The mean number of friends for students at the college who use the social media website E. The number of friends for students at the college who use the social media platform b. State the null and alternative hypotheses. 150 Ho: μ Hg:μ > 150 (Type integers or decimals. Do not round.) c. Find and interpret the test statistic value. t = 0.61 (Round to two decimal places as needed.) What does the test statistic value represent? = A. The test statistic value is the number of standard deviations from the null hypothesis value to the sample mean. OB. The test statistic value is the expected mean of the differences between the sample data and the null hypothesis value. C. The test statistic value is the number of standard errors from the null hypothesis value to the sample mean. D. The test statistic value is the difference between the sample mean and the null hypothesis value.
Transcribed Image Text:Many students brag that they have more than 150 friends on a social media platform. For a class project, a group of students asked a random sample of 13 students at their college who used the social media platform about their number of friends and got the data available below. Is there strong evidence that the mean number of friends for the student population at the college who use the social media platform is larger than 150? Use the Inference for a Population Mean web app to complete parts a through d below. Be sure to use the data in this exercise and not the preloaded data when using the web app. Click the icon to view the data about the numbers of friends. A. The proportion of students at the college who use the social media platform that have more than 150 friends B. The mean number of friends for people who use the social media platform C. The proportion of students at the college that use the social media platform D. The mean number of friends for students at the college who use the social media website E. The number of friends for students at the college who use the social media platform b. State the null and alternative hypotheses. 150 Ho: μ Hg:μ > 150 (Type integers or decimals. Do not round.) c. Find and interpret the test statistic value. t = 0.61 (Round to two decimal places as needed.) What does the test statistic value represent? = A. The test statistic value is the number of standard deviations from the null hypothesis value to the sample mean. OB. The test statistic value is the expected mean of the differences between the sample data and the null hypothesis value. C. The test statistic value is the number of standard errors from the null hypothesis value to the sample mean. D. The test statistic value is the difference between the sample mean and the null hypothesis value.
250 255 230 185 250 95 120 20 260 95 160 40 175
Transcribed Image Text:250 255 230 185 250 95 120 20 260 95 160 40 175
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