Mrs. Rodriguez randomly surveyed 15 of her ninth grade students on how many hours they spent completing assignments and preparing for assessments last week:
0.5 0.5 1.0 1.5 1.5 1.5 2 2 2.5 3 3 3.5 5 8 10
Which measure of variability—range or IQR—best describes the spread of the dataset? Enter 1 for range or 2 for IQR.
1 answer
2 for IQR