Measures of Variation

Q1 & Q3

100

I am the halfway point for the lower half of the data set.

What is Quartile 1?

200

Find Quartile 1 of this data set. 10, 16, 5, 7, 11, 18, 2, 27, 22, 23, 17

What is 7?

300

Find Q3 of the data. 36,42,38,56,58,44

What is 56?

400

Find Q1 and Q3 of the data. 79,84,68,93,65,77,81

What is Q1 = 68 & Q3 = 84?

500

Find Q1 and Q3 of the data. 52,41,63,95,51,74,75,53

What is Q1=51.5 & Q3=74.5?

Median

100

I am the definition of Median.

What is the middle of the data?

200

Find the median. 3,8,2,4,9,5,6,9,7, 11, 17, 29, 21, 30

What is 8.5?

300

Find the median. 12,11,9,14,18,16,9

What is 12?

400

Find the median. 12,11,32,11,12,15,51

What is 12?

500

What is the Median 52,41,63,95,51,74,75,53

What is 58?

Range

100

I am the definition of range.

What is the distance between the lower extreme and the upper extreme?

200

Find the range. 28,35,19,41,36

What is 22?

300

Find the range. 44,54,24,36,68

What is 44?

400

Find the range. 45,33,99,4,52,15

What is 95?

500

Find the Range. 14,74,85,96,12,45,78

What is 84?

IQR

100

Find the IQR. 5, 8, 4, 4, 6, 3, 8

What is 4?

200

Find the IQR. 10, 18, 10, 8, 5, 18, 15, 23

What is 10?

300

Find the IQR. 13,18,16,18,22,11

What is 5?

400

Find the IQR. 84,24,15,33,86,44,22,99,25

What is 22?

500

Find the IQR. 10,36,25,14,74,86,96,12

What is 67?

Outliers

100

Define Outliers

What is a value that is much higher or much lower than the other values in a set of data?

200

Find any outlier. 25,27,27,24,26,24,1,27,24,29

What is 1?

300

Find any outlier. 32,41,29,38,40,39,29,75,38,42

What is 75?

400

Find any outlier. 6,5,5,8,4,9,6,3,5,2,7,4,5,9,13

What is No Outliers?

500

Find any outlier. 15,10,35,51,38,51,52,103,34,81

What is 81 and 103?