Comparing Two Data Sets

The mean absolute deviation of the roller coaster speeds in North America is ______

• 12.2

• 12.78

• 14.67

• 17.226

The mean absolute deviation of the roller coaster speeds in Asia is _______.

• 12.2

• 12.78

• 14.67

• 17.226

Martin and Clara decide to keep track of the number of different colors in two brands of tennis shoes, brand A and brand B. Their results are represented by the dot plots.

The mean absolute deviation for brand A is _____.

• 1.905

• 2.02

• 4.9

• 8

The box plot compares the monthly average temperature (in degrees Fahrenheit) recorded in the towns of Springwood and Meadows from April to October.

The median of the temperatures at Springwood is _____.

• 86

• 12

• 1

• 14

• 73

The box plot compares the monthly average temperature (in degrees Fahrenheit) recorded in the towns of Springwood and Meadows from April to October.

The median of the temperatures at Meadows is _____.

• 86

• 12

• 1

• 14

• 73

The box plot compares the monthly average temperature (in degrees Fahrenheit) recorded in the towns of Springwood and Meadows from April to October.

The interquartile range of the temperatures at Springwood is _____.

• 86

• 12

• 1

• 14

• 73

The interquartile range of the temperatures at Meadows is _____.

• 86

• 12

• 1

• 14

• 73

Erika and Rita have added a 1-mile walk to their daily exercise schedule. The table lists the time each of them took to walk the 1-mile distance over the past five days.

On average, it takes Erika about ____ minute(s) per mile less than Rita.

• 1

• 1.5

• 2

• 2.5

The table lists the heights (in centimeters) of preschool girls and boys on a playground.

Based on the table, which of the following is true? 

• The difference of the medians is about one-half the interquartile range of either data set. 

• The difference of the medians is about one-fourth the interquartile range of either data set. 

• The medians cannot be compared based on their interquartile ranges because the interquartile ranges are 1centimeter apart. 

• The medians cannot be compared based on their interquartile ranges because the interquartile ranges are 3centimeters apart.

The table shows the hourly cookie sales by students in grades 7 and 8 at the school's annual bake sale.

The interquartile range for the grade 8 data is ______.

• 6

• 7.5

• 15

• 20.5