Statistics Review

What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school? 

• 4%
• 14%
• 13%
• 29%

What percentage of girls have blonde hair?

• 30%
• 32%
• 29%
• 40%

The dot plot shown below represents the number of pets owned by students in a class.

Which statement about the data is not true?

• The median is 3.

• The interquartile range is 2.

• The mean is 3.

• The data contain no outliers.

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4
• There isn't one
• 3.5
• 3

Find the median

• 3
• 4
• 5
• 6

How many cars were sold on Monday and Tuesday?

• 13
• 5
• 11
• 2

How many females were surveyed?

• 45

• 73

• 16

• 12

What percent of males prefer basketball?

• 22%

• 155

• 77%

• 29%

Which of the following best describes a scatter plot that shows no relationship between the x-values and the y-values?

• As x-values increase, the points are higher on the graph.

• As x-values decrease, the points are higher on the graph.

• The points are scattered around the graph.

• The points form a horizontal line.

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D