Question 422784
A company manager wishes to test a union leader’s claim that absences on different week days with the same frequency. To test her claim at the 0.05 significance level she collected the following sample data.

Day 	       Monday	Tuesday	  Wednesday	Thursday 	Friday
Absences	37	15	     12	            23	         43
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Does the data support her claim?
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Expected value for each day is (1/5)(130) = 26
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Ho: The proportions are all equal
Ha: The proportions are not all equal
I ran a Chi-Sq Goodness of Fit program on the data 
and got the following:
test stat: Chi-Sq = 102.32..
p-value = 3.1526..x10^-21
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Conclusion:Since the p-value is less than 5%, reject Ho.
The proportions are not all equal.
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Cheers,
Stan H.