Question

a. what type of descriptive measure is it? variation outlier median center b. what does it measure? a. the difference between the maximum and minimum observations b. the ranges of the top 25% and bottom 25% of the observations c. the middle observation d. the range of the middle 50% of the observations

Explanation:

a. The inter - quartile range is a measure of variation as it shows how spread out the middle 50% of data is.
b. The inter - quartile range measures the range of the middle 50% of the observations. It is calculated as the difference between the third quartile (Q3) and the first quartile (Q1), which captures the spread of the middle half of the data set.

Answer:

a. Variation
b. D. The range of the middle 50% of the observations