Find the expected frequencies if it is assumed that the number of absentees is independent of the day of the week. Test, at 5% level, whether the differences in observed and expected frequencies are siginifcant.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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3) The table below shows the number of pupils absent on particular days in the week.
Tu
M
W
Th
Day
Number
125
88
85
94
F
108
Find the expected frequencies if it is assumed that the number of absentees is independent of the
day of the week. Test, at 5% level, whether the differences in observed and expected frequencies
are siginifcant.
Transcribed Image Text:3) The table below shows the number of pupils absent on particular days in the week. Tu M W Th Day Number 125 88 85 94 F 108 Find the expected frequencies if it is assumed that the number of absentees is independent of the day of the week. Test, at 5% level, whether the differences in observed and expected frequencies are siginifcant.
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