Multiple choice based on the Chi square test.
A personnel manager is concerned about absenteeism. She decides to sample the records to find out if absenteeism is distributed evenly throughout the six-day workweek. The null hypothesis to be tested is: Absenteeism is distributed evenly during the week. The 0.01 level is to be used. The sample results are:
|
Day of the Week
|
Number Absent
|
|
Monday
|
12
|
|
Tuesday
|
9
|
|
Wednesday
|
11
|
|
Thursday
|
10
|
|
Friday
|
9
|
|
Saturday
|
9
|
1. What is the expected frequency?
a.9
b.10
c.11
d.12
2. What is the calculated value of chi-square?
a.1.0
b.0.5
c.0.8
d.8.0
3. What is your conclusion?
a. Absenteeism is evenly distributed all through the week.
b. Absenteeism is not evenly distributed all through the week.
c. I cannot say anything about absenteeism based on my statistics.
d. Absenteeism is increasing during the week.