Statistics Review

What is the median of the following data set?

25, 42, 36, 12, 19

• 36

• 25

• 39

• 26.5

What is the interquartile range of test scores for 1st Period?

• 70-95

• 75-90

• 15

• 10

Roger has the following data:

12, 10, 3, 5, 6

Susan has the following data:

5, 9, 4, 5, 6

Who has the data with the highest median and what is it?

• Roger - 6

• Susan - 7

• Roger - 8

• Susan - 5.5

What is the interquartile range of 2nd Periods test scores?

• 12

• 9

• 15

• 80

Which of the following is an example of a statistical question?

• What color shirt are you wearing?
• How many dogs do you have?
• What are the favorite ice cream flavors of CMS 6th graders?
• Is it a nice day outside?

What value is the lower quartile?

• 66
• 58
• 60
• 64

Mario compares random download times of movies from three difference services using the table. Find the mean of WhoKnew

• 4.5

• 4.7

• 4.8

• 5.0

Carrie is comparing the growth of plants under natural and artificial light sources.

Part A Use the measures of center from the box plots to make an inference about the data.

• On average group Q has a greater growth of plants under natural and artificial light sources.

• The sets have the same variability related to the growth of plants under natural and artificial light sources.

What percentage of the data is between 40 and 90?

• 25 %
• 50%
• 75%
• 100%

What 3 values could be entered for Wednesday, Thursday, Friday to give you a MEAN of 7?

• 9,6,9

• 2,3,5

• Any 3 numbers that add up to 20.

• All sevens