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1. The chi-square test statistic is equal to |(Round to 2 decimal places) 2. The degrees of freedom is 3. The p-value is |(Round to four decimal places)

1. The chi-square test statistic is equal to |(Round to 2 decimal places) 2. The degrees of freedom is 3. The p-value is |(Round to four decimal places)

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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A professor using an open source introductory statistics book predicts that 60% of the students will purchase a hard copy of the book, 25% will print it out from the web, and 15% will read it online. At the end of the semester he asks his students to complete a survey where they indicate what format of the book they used. Of the 126 students, 71 said they bought a hard copy of the book, 30 said they printed it out from the web, and 25 said they read it online. **Use Rguroo to carry out this hypothesis test.** 1. The chi-square test statistic is equal to [_____] (Round to 2 decimal places) 2. The degrees of freedom is [_____] 3. The p-value is [_____] (Round to four decimal places) 4. The p-value is tells us that the sample from the students is consistent with the [_____] hypothesis (enter "null" for null and "alternative" for alternative.)
Transcribed Image Text:A professor using an open source introductory statistics book predicts that 60% of the students will purchase a hard copy of the book, 25% will print it out from the web, and 15% will read it online. At the end of the semester he asks his students to complete a survey where they indicate what format of the book they used. Of the 126 students, 71 said they bought a hard copy of the book, 30 said they printed it out from the web, and 25 said they read it online. **Use Rguroo to carry out this hypothesis test.** 1. The chi-square test statistic is equal to [_____] (Round to 2 decimal places) 2. The degrees of freedom is [_____] 3. The p-value is [_____] (Round to four decimal places) 4. The p-value is tells us that the sample from the students is consistent with the [_____] hypothesis (enter "null" for null and "alternative" for alternative.)
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