Fiber content (in grams per serving) for 18 high fiber cereals are shown below. Fiber Content 6 11 11 6 9 6 12 12 9 13 11 9 12 6 14 6 9 9 (a) Find the median, quartiles, and interquartile range for...

Fiber content (in grams per serving) for 18 high fiber cereals are shown below.

Fiber Content

6

11

11

6

9

6

12

12

9

13

11

9

12

6

14

6

9

9

(a)

Find the median, quartiles, and interquartile range for the fiber content data set.

median

=



lower quartile

=



upper quartile

=



interquartile range

=



(b)

Explain why the minimum value for the fiber content data set and the lower quartile for the fiber content data set are equal.

The upper quarter of the data values are all the same value.

The minimum value and the lower quartile are always the same value.

The bottom quarter of the data values are all the same value.