Data and Statistics Test

The heights of some students are given.

158cm 172cm 164cm

164cm 167cm 159cm

What is the RANGE of the heights?

• 13 cm

• 330 cm

• 164 cm

• 14 cm

What is the MEDIAN of this set of data?

10, 90, 80, 60, 50, 40, 70, 30, 20, 100

• 50

• 60

• 55

• 45

Given the data: 136, 150, 119, 150, 125, 140.
Find the upper quartile (Q3). (Hint... put the numbers in order and find the median to help you find Q3)

•  125

• 150

• 139.5

• 143

Find the lower quartile (Q1) of the following set of scores 6, 7, 8, 9, 11, 13, 15

• 13

• 7

• 9

• 6

Find the IQR (Q3 - Q1)  of the data

20, 22, 25, 29, 31

• 30

• 21

• 25

• 9

A measure of variation in a set of numerical data, it is the distance between the first and third quartiles of the data set.

• Interquartile Range

• Outliers

• First Quartile

• Third Quartile

A question that anticipates and accounts for a variety of answers.

• Statistical Question

• Range

• Mean

• Box Plot

Values that divide a data set into four equal parts.

• Interquartile Range

• Outliers

• First Quartile

• Quartiles

What is the mode of the dot plot?

• 8

• 9

• 1

• 2

The distance between the greatest number and the least number in a set of data.

• Mean 

• Median

• Range

• Mode