As an aid for improving employees working habits, eight employees were randomly selected to attend a seminar-workshop on the importance of work. The table shows the number of workload done per week before and after the seminar-workshop. At 0.05, did attending the seminar- workshop increase the performance level of employees? Before 10 12 8 7 11 10 13 9 After 9 14 11 12 15 13 12 14 Solution: Step 1: State the hypotheses. (5 pts) Ho: _______________________________________________________________ Ha: _______________________________________________________________ Step 2: The level of significance and the critical region. ? = _______, ?? = _____, ? − ???????? = _______. (5 pts) Step 3: Compute for the value of t test. ?̅ = _____ , ?? = _____, ? ???????? = _______. (5 pts) Step 4: Decision rule. _________________________________________________________________. (5 pts) Step 5. Conclusion. __________________________________________________________________. (5 pts)
As an aid for improving employees working habits, eight employees
were randomly selected to attend a seminar-workshop on the importance
of work. The table shows the number of workload done per week before
and after the seminar-workshop. At 0.05, did attending the seminar-
workshop increase the performance level of employees?
Before 10 12 8 7 11 10 13 9
After 9 14 11 12 15 13 12 14
Solution:
Step 1: State the hypotheses. (5 pts)
Ho: _______________________________________________________________
Ha: _______________________________________________________________
Step 2: The level of significance and the critical region. ? = _______, ?? = _____, ? − ???????? = _______. (5 pts)
Step 3: Compute for the value of t test. ?̅ = _____ , ?? = _____, ? ???????? = _______. (5 pts)
Step 4: Decision rule. _________________________________________________________________. (5 pts)
Step 5. Conclusion. __________________________________________________________________. (5 pts)
 alt="Step 3: Compute for the value of t test. t computed =
Step 4: Decision rule.
Step 5. Conclusion.
(5pts)
(5 pts)
(5 pts)
OUM
College of Arts and Sciences Education
Mathematics and Science Discipline
Fifth Examination
2 of 1
The University of Mindanao
(Psychological Statistics)
2.) As an aid for improving employees working habits, eight employees
were randomly selected to attend a seminar-workshop on the importance
of work. The table shows the number of workload done per week before
and after the seminar-workshop. At 0.05, did attending the seminar-
workshop increase the performance level of employees?
10
13
14
12
10
12
Before
After
8
11
14
11
12
15
13
Solution:
(5 pts)
Step 1: State the hypotheses.
Ho:
Ha:
df = _, t – critical =
t computed =
Step 2: The level of significance and the critical region. a =
Step 3: Compute for the value of t test.
Step 4: Decision rule.
Step 5. Conclusion.
(5 pts)
(5 pts)
(5 pts)
(5 pts)
D =
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