. A University Director wants to see whether the average time (in minutes) it takes students to reach classes on time is different for three groups. The data are shown here. Junior Senior Graduates 35 9 15 18 3 6 27 12 27 24 6 22 21 12 24 14 8 21 a) At α=0.05, can the owner conclude that there is a significant difference among the means? b) If there is a significant difference among the means, test each pair of means?
. A University Director wants to see whether the average time (in minutes) it takes students to reach classes on time is different for three groups. The data are shown here. Junior Senior Graduates 35 9 15 18 3 6 27 12 27 24 6 22 21 12 24 14 8 21 a) At α=0.05, can the owner conclude that there is a significant difference among the means? b) If there is a significant difference among the means, test each pair of means?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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1. A University Director wants to see whether the average time (in minutes) it takes
students to reach classes on time is different for three groups. The data are shown here.
Junior Senior Graduates
35 9 15
18 3 6
27 12 27
24 6 22
21 12 24
14
8
21
a) At α=0.05, can the owner conclude that there is a significant difference among the
means?
b) If there is a significant difference among the means, test each pair of means?
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