What is the interquartile range of 90, 84, 100, 87, 92, 96, 88,

Answer:9

Step-by-step explanation:

90,84,100,87,92,96,88

arrange in ascending order

84,87,88,90,92,96,100

First we find the median which is their middle number, median=90

Then we find the median in the lower half,

Lower half=84,87,88

Median of lower half=87

We also find the median in The upper half,

Upper half=92,96,100

Median of upper half=96

Interquartile range=median in upper half - median in lower half

Interquartile range=96-87

Interquartile range=9