Question 3) Let say for question 2 if we measure the anxiety score before and after intervention for male and female students.

a.What statistical test would you use to test the differences for male and female?

1.Wilcoxon sign ranked test.

2.Spearman correlation

3.Kruskal -Wallis test.

4.None of above

b.What type of parametric test you can use for this problem if you have larger sample?

1.One sample test

2.Two proportion tests

3.Two sample Ttest with the difference of after and before anxiety score.

4none of the above

Tests for Location: Mu0=50 subject Anxiety score Test Statistic p Value Student's t 2.111245 Pr > It 0.0639 54 55 70 Sign M 3.5 Pr >= 0.0391 52 IMI 73 Signed Rank S 17.5 Pr >= IS| 0.0391 OOO UP ON- 50 54 80 33 82 10Tests for Location: Mu0=0 Test Statistic p Value Student's t -1.70678 Pr > It| 0. 1220 Sign M -2 Pr >= [M| | 0.3438 Signed Rank S -15 Pr >= [S| | 0.1387 subject Anxiety score Anxiety score before After 54 50 35 32 70 63 42 45 73 75 50 45 44 43 80 70 33 39 82 70 10Kruskal-Wallis One Way Analysis by age group Analysis of Variance for Variable TCOPE Classified by Variable AGESG AGESG N Mean 31-45 YL 145 105.434483 18-30 YL 61 103.311475 greater 45 73 107.273973 Source DF Sum of Squares Mean Square F Value Pr > F Among 2 521.866673 260.933336 0.8171 0.4428 Within 276 88137.230101 319.337790 Average scores were used for ties. Wilcoxon Scores (Rank Sums) for Variable TCOPE Classified by Variable AGESG Sum of Expected Std Dev Mean AGESG N Scores Under HO Under HO Score 31-45 YL 145 20440.0 20300.0 673.159780 140.965517 18-30 YL 61 7916.0 8540.0 556.897058 129.770492 greater 45 73 10704.0 10220.0 592.211450 146.630137 Average scores were used for ties