Question- By using the dataset given below. Thee dataset contains the information of therapy such as cognitive behavioral as (cb), family therapies as (f) and control group as (c).

By using data for the 17 girls who received the family therapy:

a) Conduct a descriptive statistical analysis using graphs and numerical summaries by using python.

b) Construct a 95% confidence interval for the difference between the population mean weight changes for the family therapy and the control by using python.

Dataset

 subject therapy before after 1 cb 80.5 82.2 2 cb 84.9 85.6 3 cb 81.5 81.4 4 cb 82.6 81.9 5 cb 79.9 76.4 6 cb 88.7 103.6 7 cb 94.9 98.4 8 cb 76.3 93.4 9 cb 81.0 73.4 10 cb 80.5 82.1 11 cb 85.0 96.7 12 cb 89.2 95.3 13 cb 81.3 82.4 14 cb 76.5 72.5 15 cb 70.0 90.9 16 cb 80.4 71.3 17 cb 83.3 85.4 18 cb 83.0 81.6 19 cb 87.7 89.1 20 cb 84.2 83.9 21 cb 86.4 82.7 22 cb 76.5 75.7 23 cb 80.2 82.6 24 cb 87.8 100.4 25 cb 83.3 85.2 26 cb 79.7 83.6 27 cb 84.5 84.6 28 cb 80.8 96.2 29 cb 87.4 86.7 30 f 83.8 95.2 31 f 83.3 94.3 32 f 86.0 91.5 33 f 82.5 91.9 34 f 86.7 100.3 35 f 79.6 76.7 36 f 76.9 76.8 37 f 94.2 101.6 38 f 73.4 94.9 39 f 80.5 75.2 40 f 81.6 77.8 41 f 82.1 95.5 42 f 77.6 90.7 43 f 83.5 92.5 44 f 89.9 93.8 45 f 86.0 91.7 46 f 87.3 98.0 47 c 80.7 80.2 48 c 89.4 80.1 49 c 91.8 86.4 50 c 74.0 86.3 51 c 78.1 76.1 52 c 88.3 78.1 53 c 87.3 75.1 54 c 75.1 86.7 55 c 80.6 73.5 56 c 78.4 84.6 57 c 77.6 77.4 58 c 88.7 79.5 59 c 81.3 89.6 60 c 78.1 81.4 61 c 70.5 81.8 62 c 77.3 77.3 63 c 85.2 84.2 64 c 86.0 75.4 65 c 84.1 79.5 66 c 79.7 73.0 67 c 85.5 88.3 68 c 84.4 84.7 69 c 79.6 81.4 70 c 77.5 81.2 71 c 72.3 88.2 72 c 89.0 78.8