Question

Here are the scores of 12 students on a geography test.59, 63, 64, 65, 66, 67, 67, 74, 81, 81, 88, 91Notice that the scores are ordered from least to greatest.Give the five-number summary and the interquartile range for the data set.Five-number summaryMinimumLower quartile:O DOOMedian:Upper quartile:Maximum:Interquartile range:

Answer 1

Given:

59, 63, 64, 65, 66, 67, 67, 74, 81, 81, 88, 91.

The number of data =12.

Aim:

We need to find the minimum, Lower quartile, Median, Upper quartile, Maximum, and Interquartile range.

Explanation:

The minimum number is the smallest number of the data set.

The minimum =59.

Divide the given set into 4 equal parts.

To find the lower quartile consider the set.

$\mleft\lbrace65,66,67\mright\rbrace$

The middle terms of this set are 66.

Consider the

The middle terms of the given set are