Question

What is the five-number summary for this set of test scores?

90, 95, 89, 84, 74, 99, 97, 86, 93
The minimum is
. The value for Q1 is
. The median of the dataset is
. The value for Q3 is
. The maximum of the dataset is
.

Answer 1

First sort the scores: 74, 84, 86, 89, 90, 93, 95, 97, 99.

- Minimum = 74
- Q1 = median of (74, 84, 86, 89) = (84 + 86)/2 = 85
- Median = 90 (middle value)
- Q3 = median of (93, 95, 97, 99) = (95 + 97)/2 = 96
- Maximum = 99