The experimental group received instruction in calculus via the Internet, while the control group received traditional classroom instruction. The data consist of the final examination scores conducting a independent samples t test answer the questions.
Calculus Examination Scores for Experimental and Control Groups
Participant Number Group Codes for Groups Calculus Final Examination Scores
1 Experimental 30 28
2 Control 33 29
3 Control 29 30
4 Experimental 27 31
5 Experimental 26 29
6 Control 37 37
7 Experimental 40 41
8 Control 35 40
9 Experimental 36 37
10 Control 35 38
a. What is the mean for the experimental group?
b. What is the mean for the control group?
c. What is the value of t?
d. What is the associated probability?
e. Is the difference between the experimental group's mean and the control group's mean statistically significant at the 0.5 level?
f. Make statement of the results of the significance test.