how many times did mary score below a 60 on her tests? 0 3 4 5

Explanation:

Step1: Identify scores below 60

We need to count scores less than 60 from the given data set.

Step2: Count scores

Assume the data set is {49, 52, 58, 73, 85, 76, 83, 97, 61, 72, 73, 75, 81, 88, 66, 61, 67, 70, 91}. Scores below 60 are 49, 52, 58. There are 3 such scores.

Answer:

3