Question

The box plot was created by using which pieces of data?

A) an upper quartile of 56 and a median of 50
B) a lower quartile of 56 and a median of 50
C) a median of 56 and a lower quartile of 50
D) a median of 56 and an upper quartile of 50

Answer 1

Option A is right

Explanation:

The box plot is a standardized picture of displaying the distribution of data based on the five number summary:

The five numbers are

minimum, first quartile, median, third quartile, and maximum.

Here we find that minimum is 40 max =68

Median is the middle line = 50

I quartile = line to left of median =44

III quartile =line to right of median =56

Hence going through the given options one by one we find that correct option is

A

The middle line inside the box plot indicates the median which is 50

The right line of the median ndicates the upper quartile which is 56

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B) is incorrect because 56 is not lower quartile

C) is incorrect because 56 is not median

D) is incorrect because 56 is not median

Answer 2

A

The vertical line inside the box plot indicates the median which is 50

The right side of the box indicates the upper quartile which is 56

The left side of the box indicates the lower quartile which is 42