Question

find the midrange for the following group of data items. 130, 70, 100, 70, 90. the midrange is (type an integer or a decimal.)

Explanation:

Step1: Find the maximum value

The maximum value among 130, 70, 100, 70, 90 is 130.

Step2: Find the minimum value

The minimum value among 130, 70, 100, 70, 90 is 70.

Step3: Calculate the mid - range

The formula for mid - range is $\frac{\text{Maximum}+\text{Minimum}}{2}$. So, $\frac{130 + 70}{2}=\frac{200}{2}=100$.

Answer:

100