Question

find the midrange for the following group of data items. 11, 8, 7, 6, 12, 9, 5, 7. the midrange is (type an integer or a decimal)

Explanation:

Step1: Find the maximum value

The data set is 11, 8, 7, 6, 12, 9, 5, 7. The maximum value is 12.

Step2: Find the minimum value

The minimum value in the data - set is 5.

Step3: Calculate the midrange

The formula for the midrange is $\frac{\text{Max}+\text{Min}}{2}$. Substitute Max = 12 and Min = 5 into the formula: $\frac{12 + 5}{2}=\frac{17}{2}=8.5$.

Answer:

8.5