For example: Coach Brock is keeping track of the number of goals scored during the team's soccer games.
1. How many games were recorded?
2. Which data set represents the points shown in the dot plot?
0, 2, 4, 5
1, 1, 1, 4
0, 2, 4, 5, 5, 5, 5
Solution
- Count all the dot of dot plot to find the total number of games.
Number of dots = 7
Therefore, 7 games were recorded.
- In a dot plot, dots above a number represents it occurrence or frequency.
Frequency of 0 = 1
Frequency of 1 = 0
Frequency of 2 = 1
Frequency of 3 = 0
Frequency of 4 = 1
Frequency of 5 = 4
Therefore, the data set for the given dot plot is 0, 2, 4, 5, 5, 5, 5.