Question

during fitness day at school, denise and her classmates took part in a pull - up competition, keeping track of the results. pull - up competition (number of pull - ups) stem leaf 0 5 1 3 6 7 2 3 6 3 4 9 9 4 1 5 7 7 6 5 7 3 4 7 how many people did exactly 57 pull - ups?

Explanation:

Step1: Understand stem - and - leaf plot

In a stem - and - leaf plot, the stem represents the tens digit and the leaf represents the units digit.

Step2: Locate the stem of 5

The stem of 5 has leaves 7 and 7.

Step3: Count occurrences of 57

The number 57 appears 2 times in the data set represented by the stem - and - leaf plot.

Answer:

2