Categorical data is presented

Categorical data and aggregation of data is presented

Categorical data is presented for the first question and synthesis of answers for the explanation part

Questions

1, 3, 6, 11, 14, 15, 16, 17, 23

2, 4, 5, 7, 8, 12, 24

9, 10, 13, 18, 19, 20, 21, 22, 25