Question

question 5 (1 point)
the data below represents the total number of credit hours taken during one semester by 30 randomly chosen students.
3, 11, 12, 9, 10, 10, 11, 8, 6, 9, 12, 15, 16, 14, 11, 5, 4, 8, 7, 20, 18, 12, 14, 15, 10, 8, 12, 13, 12, 19
find the frequency for the class interval 6 - 8.
credit hours frequency
3 - 5
6 - 8
9 - 11
12 - 14
15 - 17
18 - 20
your answer:

Explanation:

Step1: Identify data in 6 - 8 range

Count numbers between 6 and 8 (inclusive) in the data set: 3, 11, 12, 9, 10, 10, 11, 8, 6, 9, 12, 15, 16, 14, 11, 5, 4, 8, 7, 20, 18, 12, 14, 15, 10, 8, 12, 13, 12, 19.

Step2: Count frequency

The numbers 6, 7, 8 in the data set are: 6, 8, 8, 7, 8, 8. There are 5 such numbers.

Answer:

5