For a project in a statistics class, you must collect data and then analyze them using a chi- square statistic. You decide to collect data on how easily people could go 1 week without using various software/social media products. Specifically, you ask 60 of your fellow students which of the following three programs they would be most willing to not use for 1 week: (1) e-mail, (2) Fac ebook, or (3) Snapchat. The obtained frequencies for each of these categories are shown below: E-mail 11 Facebook 9 Twitter 40 Your null hypothesis is that each of the three categories will have the same frequencies (N = 60). Use a = 0.05

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 42PFA
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For a project in a statistics class, you must collect data and then analyze them using a chi-
square statistic. You decide to collect data on how easily people could go 1 week without using
various software/social media products. Specifically, you ask 60 of your fellow students which of
the following three programs they would be most willing to not use for 1 week: (1) e-mail, (2) Fac
ebook, or (3) Snapchat. The obtained frequencies for each of these categories are shown below:
E-mail
11
Facebook
9
Twitter
40
Your null hypothesis is that each of the three categories will have the same frequencies (N = 60).
Use a = 0.05
Transcribed Image Text:For a project in a statistics class, you must collect data and then analyze them using a chi- square statistic. You decide to collect data on how easily people could go 1 week without using various software/social media products. Specifically, you ask 60 of your fellow students which of the following three programs they would be most willing to not use for 1 week: (1) e-mail, (2) Fac ebook, or (3) Snapchat. The obtained frequencies for each of these categories are shown below: E-mail 11 Facebook 9 Twitter 40 Your null hypothesis is that each of the three categories will have the same frequencies (N = 60). Use a = 0.05
What is the df for this correlation?
What is the critical value for this one-tailed Pearson's correlation (a = 0.05)?
*Hint* use the Pearson Correlation Table; Appendix E
What is the expected frequency for e-mail?
What is the obtained X² value for this study?
Should the null hypothesis for this study be rejected?
Transcribed Image Text:What is the df for this correlation? What is the critical value for this one-tailed Pearson's correlation (a = 0.05)? *Hint* use the Pearson Correlation Table; Appendix E What is the expected frequency for e-mail? What is the obtained X² value for this study? Should the null hypothesis for this study be rejected?
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