I need some help please! I am not too sure how to answer question 1.3 regarding the "mid-60& range".
Are they looking for 60th percentile?
Thanks for the assistance!
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You have to compute the 60% interquantile range, i.e. the range between the 20th percentile and the 80th percentile:
IQR(60%) = 80th percentile - 20th percentile
The interquantile range (IQR) is a measure of statistical dispersion, being equal to the difference between the upper and lower quantiles, in your case the 80th percentile and the 20th percentile (80 - 20 = 60).