Based on T-Test

Do the results of the t-Test (i.e., change in satisfaction due to the marketing campaign) make sense to you? In your answer, present two reasons that might help explain this finding and use at least one reference (e.g., online article, study, etc).

Student Satisfaction_Before Satisfaction_After 18.0 22.0 t-Test: Paired Two Sample for Means 21.0 25.0 16.0 17.0 Satisfaction_BeforSatisfaction_After J O U A W N P 22.0 24.0 Mean 18.4 20.45 19.0 16.0 Variance 9.936842105 16.47105263 24.0 29.0 Observations 20 20 17.0 20.0 Pearson Correlation 0.71747704 21.0 23.0 Hypothesized Mean Difference 0 23.0 19.0 df 19 10 18.0 20.0 t Stat -3.231252666 11 14.0 15.0 P(T