SOLUTION: my question is on a box and whisker plot: 21 data points were used in making a box and whisker plot. How many data points are below 89.5?(89.5 is in the 3rd quartile) A. 5

Algebra ->  Probability-and-statistics -> SOLUTION: my question is on a box and whisker plot: 21 data points were used in making a box and whisker plot. How many data points are below 89.5?(89.5 is in the 3rd quartile) A. 5      Log On


   



Question 610254: my question is on a box and whisker plot:
21 data points were used in making a box and whisker plot.
How many data points are below 89.5?(89.5 is in the 3rd quartile)
A. 5
B. 10
C. 15
D. 16

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
75% of the distribution is below 89.5, so 0.75*21 = 15.75, which rounds down to 15

So there are 15 data points below 89.5