Question 3 (3 marks) Test the hypothesis that there is no significant difference in the pain scores before and after the therapy. Choose a suitable test to answer this question and provide a short description of results from your data analysis. Paired Samples Statistics Mean Std. Deviation Std. Error Mean Pair 1 Pain Scores Before 13.86 8000 3.091 035 Therapy Pain Scores After Therapy 7.23 8000 3.118 .035 Paired Samples Correlations Significance N Correlation One-Sided p Two-Sided p Pair 1 Pain Scores Before 8000 .062 <.001 therapy pain scores after paired samples test differences significance confidence interval of the difference mean std. deviation error lower upper df one-sided p two-sided pair before .000 effect sizes standardizer point estimate cohen d hedges correction . denominator used in estimating sizes. uses sample standard difference. plus a factor>