For a marketing class term project, Bob is investigating whether college seniors eat less frequently in fast-food chains than college freshmen. He asked 11 freshmen and 11 seniors to keep track of how many times they ate in a fast-food restaurant during the month of October. Assuming equal variances, can you conclude that the mean is significantly smaller for college seniors at the 5 percent level of significance? Seniors Freshmen 10 16 5 9 19 16 15 14 5 18 10 10 18 19 8 15 20 9 7 17 8 20
For a marketing class term project, Bob is investigating whether college seniors eat less frequently in fast-food chains than college freshmen. He asked 11 freshmen and 11 seniors to keep track of how many times they ate in a fast-food restaurant during the month of October. Assuming equal variances, can you conclude that the mean is significantly smaller for college seniors at the 5 percent level of significance? Seniors Freshmen 10 16 5 9 19 16 15 14 5 18 10 10 18 19 8 15 20 9 7 17 8 20
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
For a marketing class term project, Bob is investigating whether college seniors eat less
frequently in fast-food chains than college freshmen. He asked 11 freshmen and 11 seniors to
keep track of how many times they ate in a fast-food restaurant during the month of October.
Assuming equal variances, can you conclude that the
seniors at the 5 percent level of significance?
Seniors Freshmen
10 16
5 9
19 16
15 14
5 18
10 10
18 19
8 15
20 9
7 17
8 20
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