Question

the following data was collected from a survey in which people identified their average salaries over the past ten years. identify the number of classes in the histogram. (1 point) 9 45 36 20

Explanation:

Step1: Recall the definition of a class in a histogram

A class in a histogram is a range of values. We count the number of bars (each bar represents a class) in the histogram.

Step2: Count the bars

Looking at the histogram, we can count the number of distinct bars. There are 9 bars.

Answer:

9