Table 1: In this data set, its improved preparedness on average, by 0.66 points.

Paired Samples Statistics
Mean N Std. Deviation Std. Error Mean
Pair 1 Post 4.6200 50 0.49031 0.06934
Pre 3.9600 50 0.34759 0.04916
 
Paired Samples Test
Paired Differences t df Sig. (2-tailed)
Mean Std. Deviation Std. Error Mean 95% Confidence Interval of the Difference
Lower Upper
Pair 1 Post - Pre 0.66000 0.47852 0.06767 0.52401 0.79599 9.753 49 0.000