Example 13.13 A production supervisor is interested in knowing if number of breakdowns on four ma- chines is independent of the shift using the machines. Test this hypothesis based on the following sample information: Shift Machine A B C D Morning 15 10 18 12 12 15 Evening 10 8

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Example 13.13 A production supervisor is interested in knowing if number of breakdowns on four ma-
chines is independent of the shift using the machines. Test this hypothesis based on the following
sample information:
Shift
Machine
A
B
C
Morning
15
10
18
12
Evening
12
15
10
8
Transcribed Image Text:Example 13.13 A production supervisor is interested in knowing if number of breakdowns on four ma- chines is independent of the shift using the machines. Test this hypothesis based on the following sample information: Shift Machine A B C Morning 15 10 18 12 Evening 12 15 10 8
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