Statistics data sets

What graph is used to display data grouped into intervals.

• bar graph

• line graph

• stem and leaf plot

• histogram

What is the interquartile range of the data set below?

3, 5, 6, 6, 7, 8, 9

• 3

• 6

• 2

• 8

Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

• 7
• 23
• 31
• 34

The interquartile range (IQR) of a data set is the difference between the third and first quartiles. It represents the range of the middle half of the data.

• True
• False

Which class has the higher test score median?

• Class #1

• Class # 2

• The medians are equal

• The median is not shown here.

What is the median?

• 62
• 58
• 66
• 60

What is the interquartile range (IQR)?

• 2

• 64

• 4

• 8

Describe the shape of the graph.

• Skewed right
• Skewed left
• Uniform
• Symmetrical

What is the shape of the Data Set?

• Skewed Left

• Symmetrical

• Skewed Right

What is the shape of the Data Set?

• Skewed Left

• Symmetrical

• Skewed Right