Question

A karate studio offers 10 classes per week for middle school students. The numbers of students in the classes are listed below:13, 15, 14, 10, 12, 10, 13, 16, 15, 139. Median 10. Range 11. Interquartile range

Answer 1

To find the median, first, we organize the data set for least to greatest.

10, 10, 12, 13, 13, 13, 14, 15, 15, 16.

Remember that the median is the data in the middle of the data set.

Hence, the median is 13.

The range refers to the difference between the greatest number and least number

`R=16-10=6`

Hence, the range is 6.

The interquartile range refers to the difference between the first and third quartile.

The second quartile is 12.

The third quartile is 15.

Their difference is 15-12 = 3.

Hence, the interquartile range is 3.