15.56 Suppose that the personnel department in Exercise 15.55 continued its investigation by categorizing absentees ...

15.56 Suppose that the personnel department in Exercise 15.55 continued its investigation by categorizing absentees according to the shift on which they worked, as shown in the accompanying table. Is there sufficient evidence at the 10% significance level of a relationship between the days on which employees are absent and the shift on which the employees work?
 

SHIFT MON TUE WED THU FRI
DAY 52 28 37 31 33
EVENING 35 34 34 37 41