Which of the following are true for the interquartile range (IQR) of a data set? Choose all that apply. A. middle 50% of the data

B. represented by the rectangle box on a box plot

C. 100% of the data

D. upper 25% of the data

E. represented by the whiskers on the box plot

F. Quartile 3 - Quartile 1

G. measure of variability (spread) of data set

H. based on median of data, lower quartile, and upper quartile

I. measure of center for data set

step-by-step explanation:

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first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation:

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