Question

a teacher put all her students quiz scores up on the dot - plot below. what was the most common score? quiz scores

Explanation:

Step1: Identify mode concept

The most common score is the mode of the data - set. In a dot - plot, the mode is the value with the most number of dots.

Step2: Count dots for each score

Looking at the dot - plot, for score 88, there are 8 dots; for score 85, there are 3 dots; for score 70, there are 2 dots; for score 75, there is 1 dot; for score 80, there are 3 dots; for score 90, there are 2 dots; for score 100, there are 2 dots.

Step3: Determine the mode

Since 88 has the most number of dots (8 dots), 88 is the most common score.

Answer:

88