You are hired to determine the effect of online teaching of statistics course on students’ statistics content knowledge. Before the course, students were given 12 multiple choice questions measuring their content knowledge. They were also given the same test after the course. The highest a student can get is 12 points.
Based on the dependent t test results (i.e. SPSS output) presented below:
In your response, please present whether there is a significant difference between pre–test and post–test, and discuss what the results mean.
Please respond to the initial posts of your peers: comparing and contrasting their findings and conclusions with yours.
Paired Samples Statistics
Mean
N
Std. Deviation
Std. Error Mean
Pair 1
Test before statistics course
6.32
25
1.725
.345
Test after statistics course
7.52
1.828
.366
Paired Samples Correlations
Correlation
Sig.
Test before statistics course & Test after statistics course
.051
.810
Paired Samples Test
Paired Differences
t
df
Sig. (2– tailed)
95% Confidence Interval of the Difference
Lower
Upper
Test before statistics course – Test after statistics course
– 1.200
2.449
.490
– 2.211
– .189
– 2.449
24
.022
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