Find the range and the first and third quartiles for the data set 45,42,86,13,74,47,46

The range = highest value - lowest = 86 - 13 = 73.

arrange in order:-

13 42 45 46 47 74 86

median = 46

First quartile = (42 + 45) / 2 = 43.5

third quartile = (74 - 47) / 2 = 60.5

all it means is function 3

5+2x=a

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