Dependent samples pany is concerned about the number of days missed by its emplo

Question

Dependent samples pany is concerned about the number of days missed by its employees due to illness. A random sample of 10 employees is selected. The number of days absent in one year is listed below. An incentive program is offered in an attempt to decrease the number of days absent. The number of days absent in one year after the incentive program is listed below. Test the claim that the incentive program cuts down on the number of days missed by employees. Use a 0.05. Assume that the distribution is nomally distributed A BC D E F GHI Employee Days absent before incentive Days absent after incentive 2

Explanation / Answer

we perform a chi sq test to see if both series are same or not. From R we get

Pearson's Chi-squared test

data: a and b

X-squared = 45, df = 35, p-value = 0.1199

as p >.05 we fail to reject the hypothesis that the two series are independent

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