ACTIVITY #2:
A researcher is planning to compare the effectiveness of having test preparation course before taking math exams. Determine which group (with / without test preparation course) has the highest score in math and test its significant at 0.05 level. " the result can be shown on the table"
Test Preparation Course
Completed - 91, 55, 52, 65, 76, 56, 87, 84, 60, 45, 59, 63, 69, 72, 61, 75, 66, 77, 71, 63, 54,
87, 59
None - 53, 79, 59, 83, 65, 61, 69, 60, 70, 76, 98, 61, 36, 58, 60, 57, 58, 57, 76, 59, 69, 48, 45
D -
D² -
Answer the ff:
I. Problem: (Make own prob.)
II. Hypothesis:
III. Level of significance
a. degree of freecom
b. t-value
IV. Statistics
V. Decision rule:
VI. Conclusion:​