Question

A mathematics professor created a test that was supposed to be mostly easy expected for two challenging problems. The scores of the students are shown in dot plot below. what is the range of the scores?

Answer 1

STEP - BY - STEP EXPLANATION

What to find?

The range of the score.

Given:

Step 1

Observe the highest and lowest value.

From the given figure, we can see the lowest test score is 70 and the highest test score is 93.

Step 2

Determine the range using the formula below:

`Range=highest\text{ value - lowest value}`
`=93-70`
`=23`

ANSWER

23