Discussion:
Q: The personal manager of a firm is concerned about absenteeism. She decides to sample the records to determine if absenteeism is distributed evenly through the six-day work week. The null hypothesis to be tested is: Absenteeism is distributed evenly throughout the week. The 0.01 level is to be used. The sample results are: (Chi-Square Test)
|
Days
|
Number absent
|
|
Monday
|
12
|
|
Tuesday
|
9
|
|
Wednesday
|
11
|
|
Thursday
|
10
|
|
Friday
|
9
|
|
Saturday
|
9
|
The manager wanted to know the answers for the following questions:
1) What is the chi-square critical value at the (1) percent level ?
2) Using the chi-square test of significance. Compute X^.
3) Is the null hypothesis rejected or not, and why.