Question: in 2014 the number of days the average employee at...
In 2014 the number of days the average employee at Philadelphia hospital is late for work is 12 days. The hospital has built a new parking garage, but it is two blocks away. They want to determine if this is increasing the number of days employees are late. From the sample of employees below, can you prove their claim using a .05 significance level? Formulate the decision rule. Sample Data: [5_6_7_9_8_6_10_8_6_4_6_8]
Reject Ho if z > 1.96
Reject Ho if t < 1.65
Reject Ho if z < -1.96
Reject Ho if t> 1.796