Question

a grade 6 11.2 determining the total number of data points based on the graph below, how many data points are in the set? the graph below shows the speeds of different swimmers, in meters per seconds. dot plot with 1.6:4 dots, 1.7:3 dots, 1.8:3 dots, 1.9:2 dots, 2.0:2 dots, 2.1:1 dot, 2.2:1 dot there are blank data points in the set.

Explanation:

Step1: Count points at 1.6

There are 4 points at 1.6.

Step2: Count points at 1.7

There are 3 points at 1.7.

Step3: Count points at 1.8

There are 3 points at 1.8.

Step4: Count points at 1.9

There are 2 points at 1.9.

Step5: Count points at 2.0

There are 2 points at 2.0.

Step6: Count points at 2.1

There is 1 point at 2.1.

Step7: Count points at 2.2

There is 1 point at 2.2.

Step8: Sum all points

Sum: \( 4 + 3 + 3 + 2 + 2 + 1 + 1 = 16 \).

Answer:

16