Mr. Rettie was interested in how much work he assigns to his Grade 12 Data Management students. He conducted a survey where he asked all of his semester 1 Data Management students and got 34 responses. (58 total students)

1.Identify two types of bias in this survey and explain

2.Determine the mean.

3.Determine the standard deviation

4.Determine the Interquartile Range

5.Based on the data alone, give Mr. Rettie recommendations on how he should approach his assigned work for semester 2.