Unit 10 - Data and Statistics Review

What is the interquartile range of this data?

2, 3, 3, 4, 5, 7, 8, 8, 8, 10, 10, 12

• 5.3

• 5

• 6

• 5.5

Tags

CCSS.6.SP.B.5C

The data set represents the prices for a full tank of gasoline for different motorcycles:

$19, $18, $15, $17, $19, $12, $19, and $15

Which measure of center would you use to convince people that the prices are high?

• Mode

• Median

• Mean

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Use the box plot in the picture. It shows the number of days on the market for single family homes in a city.

What percent of homes were on the market between 20 and 40 days?

• 12.5%

• 75%

• 50%

• 25%

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which would be an appropriate display for the heights of seventh graders arranged by intervals?

• Line graph; it shows changes over a period of time.

• Histogram; it shows frequency of data divided into equal intervals.

• Circle graph; it compares parts of the data set to the whole set of data.

• Bar graph; it shows the number of items in specific categories.

The table below shows the number of movies owned by a group of people.

Which of the following represents the data in a stem-and-leaf plot?

• 
• 
• 

Kathryn asked her classmates how many fiction books each has read. The results are in thedot plot below.

What is the mean of the data? Round to the nearest tenth.

• 5

• 5.2

• 4.5

• 5.7

Tags

CCSS.6.SP.B.5C

Use the box plot in the picture. It shows the number of days on the market for single family homes in a city.

What are the first and third quartiles of the data?

• 20, 90

• 0, 120

• 10, 120

• 40, 120

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The dot plot shows the Geometry test scores of students.

What fraction of total students scored 60? Express in simplest form.

• 4/14

• 2/7

• 2/3

• 3/4

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

The box plot shows student test scores for two classrooms.

Which class had a greater range of scores?

• Room 300

• Room 240

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The box plot shows student test scores for two classrooms.

Which inference can you make about the populations?

• Room 300 had higher test scores.

• Room 240 had higher test scores.

• The students in Room 240 were older than those in Room 300

Tags

CCSS.7.SP.B.4