A violin student records the number of hours she spends prac

A violin student records the number of hours she spends practicing during each of nine consecutive weeks.

6.2

5.0

4.3

7.4

5.8

7.2

8.4

1.2

6.3

What is the first quartile for this data?

A.

5.00 hours

B.

5.76 hours

C.

7.20 hours

D.

4.65 hours

Solution

From the given data, we find the first quartile to be 4.65 hours.

It is the middle number between the smallest number and the median of the dataset.