Range and Interquartile Range

Question 1

Which method can be used to find the range of a set of data?

Revolt · Accepted Answer

Find the difference between the maximum and minimum values.

Question 2

Mrs. Juarez graded ten English papers and recorded the scores.92, 95, 100, 62, 88, 90, 100, 96, 89, 98Which statements are true? Check all that apply.

Revolt · Accepted Answer

The range of scores is 38.; Without the outlier, the range of scores would be 12.; The outlier impacts the range more than it impacts the interquartile range.; The interquartile range is 9.; Without the outlier, the interquartile range would be 9.5.

Question 3

What is the interquartile range of this set of data? 15, 19, 20, 25, 31, 38, 41

Revolt · Accepted Answer

19

Question 4

What are the steps to find the lower and upper quartiles of a data set?

Revolt · Accepted Answer

1. Order the values. 2. Find the median. 3. Find the lower quartile. 4. Find the upper quartile.

Question 5

Kate recorded the number of minutes she read each day for the last two weeks in the table. Week 1Week 2Sunday8555Monday3550Tuesday5045Wednesday6045Thursday3040Friday3530Saturday5050How can Kate figure out which week had the larger range in minutes read?

Revolt · Accepted Answer

1. Order the minutes for each week.2. Find the range for each week. 3. Compare the ranges. Week 1 had the larger range in minutes.

Question 6

Harlon recorded this set of data, which contains an outlier.163, 97, 184, 199, 169, 175What is the range of this set of data?

Revolt · Accepted Answer

102

Question 7

Which method can be used to find the interquartile range for a set of data?

Revolt · Accepted Answer

Find the difference between the upper and lower quartiles.

Question 8

What is the range for this set of data?38, 17, 55, 40

Revolt · Accepted Answer

38

Range and Interquartile Range Answers

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