Question

2.2 histograms and dot plots
based on the histogram above, what is the frequency of the class containing the value 6
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Explanation:

Step1: Identify the class for 6

The data classes are intervals: 1 - 5, 5 - 9, 9 - 13, etc. The value 6 is in the class 5 - 9 (since 5 < 6 ≤ 9).

Step2: Find the frequency of this class

Looking at the histogram, the bar for the class 5 - 9 (between 5 and 9 on the x - axis) has a frequency of 3 (from the y - axis, the height of the bar is 3).

Answer:

3