Find the interquartile range for a data set having the five-number summary: 3.4, 10.8, 16.7, 23.1, 31.5
answer choices:
a. 13.3
b. 28.1
c. 14.8
d. 12.3

.

D. 12.3

Step-by-step explanation:

Arrange the data in increasing order

3.4, 10.8, 16.7, 23.1, 31.5

⇒This is an odd set of numbers, to find the interquartile range you include the median in both quartiles.

Locate the median/center value

3.4, 10.8, 16.7, 23.1, 31.5

Find lower half and find the median

lower half values⇒3.4, 10.8, 16.7

Median=Q1=10.8

Find the upper half and find

upper half= 16.7,23.1, 31.5

median= 16.7,23.1,31.5

Q3=23.1

Interquartile range=Q3-Q1

23.1-10.8=12.3

yor answer is 7/6 times 5

step-by-step explanation:

step-by-step explanation:

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