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WorksheetsRange & Interquartile Range/box Plots
Total questions: 10
Worksheet time: 1hrs 13mins
What is the first step to take when attempting to find IQR?
Find the lower and upper quartile.
Find the median.
Put the list of numbers in order.
Subtract the lower and upper quartile.
Find the median, first quartile, third quartile, and interquartile range of the data.
32, 53, 72, 66, 47, 54, 49, 67, 71
Median: 54
First Quartile: 49
Third Quartile: 67
IQR: 18
Median: 54
First Quartile: 48
Third Quartile: 69
IQR: 21
Median: 54
First Quartile: 48
Third Quartile: 69
IQR: 22
Median: 54
First Quartile: 49
Third Quartile: 69
IQR: 20
Karen constructed the box-and-whisker plot below to show information about her first semester scores.
What was Karen's median test score?
70
85
90
95
The list below shows the most recent test scores for students in Mr. Garcia’s study group.
78, 90, 94, 72, 80, 68, 72, 88, 94, 98, 86, 96
Which box-and-whisker plot correctly represents the data in the list?
5, 0, 9, 9, 3, 0, 5, 5, 4
