### Home > MC2 > Chapter 5 > Lesson 5.1.2 > Problem5-23

5-23.

Ms. Poppy has finished grading her students' tests. The scores were: $62$, $65$, $93$, $51$, $55$, $76$, $79$, $85$, $55$, $72$, $78$, $83$, $91$, and $82$. .

1. Find the median.

Recall that the median is the middle number of an ordered set of data.

1. Find the range.

The range is the interval of the values covered. To find it, take the difference between the highest and the lowest values.

$42$

1. Find the mode.

Recall that mode is the number that occurs the most often within a set of data.

$55$

1. Find the quartiles.

Along with the median, the quartiles divide a set of data into four groups of the same size.

Lower Quartile$=62$
Upper Quartile$=83$

1. Find the mean.

Recall that the mean refers to the average of a set of data.

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