Question

question #14
the data in the box represents the quiz scores of students in mr. williams math class.
65, 55, 80, 91, 95, 74, 60, 75 68, 90, 55, 55, 90, 74, 60, 75, 55, 60, 80, 91
which dot - plot accurately represents this data?

Explanation:

Step1: Count frequency of scores

Count how many times each score appears in the data - set: 55 appears 6 times, 60 appears 4 times, 65 appears 1 time, 68 appears 1 time, 74 appears 2 times, 75 appears 2 times, 80 appears 2 times, 90 appears 2 times, 91 appears 2 times, 95 appears 1 time.

Step2: Check dot - plots

Examine each dot - plot to see if the number of dots above each score value matches the frequencies we counted.

Answer:

A. Option A has the correct number of dots above each score value corresponding to the frequencies in the data - set. For example, there are 6 dots above 55, 4 dots above 60 etc.