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College Students and Paying Jobs Exercise 2.16 introduces data from a survey that included 5204 first-year, full-time college students. Their responses to a question about whether they worked at a paying job while attending college are given in the table below. Paying job? Works on campus Works off campus It is assumed that 50% will not work at a paying job, while 25% will work on campus and the other 25% will work off campus. (a) Test whether the data contradict the assumed proportions. Does not work i Paying job? Works on campus Works off campus Does not work Total 2649 Expected ! ! i i Frequency 1436 1119 2649 5204 i Assumed Proportion Contribution 0.25 0.25 0.50

College Students and Paying Jobs Exercise 2.16 introduces data from a survey that included 5204 first-year, full-time college students. Their responses to a question about whether they worked at a paying job while attending college are given in the table below. Paying job? Works on campus Works off campus It is assumed that 50% will not work at a paying job, while 25% will work on campus and the other 25% will work off campus. (a) Test whether the data contradict the assumed proportions. Does not work i Paying job? Works on campus Works off campus Does not work Total 2649 Expected ! ! i i Frequency 1436 1119 2649 5204 i Assumed Proportion Contribution 0.25 0.25 0.50

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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College Students and Paying Jobs Exercise 2.16 introduces data from a survey that included 5204 first-year, full-time college students. Their responses to a question about whether they worked at a paying job while attending college are given in the table below. Paying job? Works on campus Works off campus It is assumed that 50% will not work at a paying job, while 25% will work on campus and the other 25% will work off campus. (a) Test whether the data contradict the assumed proportions. Does not work M. Paying job? Works on campus Works off campus Does not work Total 2649 Expected Frequency 1436 1119 2649 5204 ! Assumed Proportion Contribution 0.25 0.25 0.50
Transcribed Image Text:College Students and Paying Jobs Exercise 2.16 introduces data from a survey that included 5204 first-year, full-time college students. Their responses to a question about whether they worked at a paying job while attending college are given in the table below. Paying job? Works on campus Works off campus It is assumed that 50% will not work at a paying job, while 25% will work on campus and the other 25% will work off campus. (a) Test whether the data contradict the assumed proportions. Does not work M. Paying job? Works on campus Works off campus Does not work Total 2649 Expected Frequency 1436 1119 2649 5204 ! Assumed Proportion Contribution 0.25 0.25 0.50
Favorite Skittles Flavor Skittles are a popular fruity candy with five different flavors (colored green, orange, purple, red, and yellow). A sample of 70 people recorded their favorite flavor and the results are shown in the table below. Perform a chi-square test, as indicated in the steps below, to see whether or not the flavors are equally popular. Green Orange Purple Red 10 16 14 18 Table 1 Skittles popularity Yellow 12
Transcribed Image Text:Favorite Skittles Flavor Skittles are a popular fruity candy with five different flavors (colored green, orange, purple, red, and yellow). A sample of 70 people recorded their favorite flavor and the results are shown in the table below. Perform a chi-square test, as indicated in the steps below, to see whether or not the flavors are equally popular. Green Orange Purple Red 10 16 14 18 Table 1 Skittles popularity Yellow 12
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