Statistics Review

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 is the MODE of a data set?

• The middle value

• The number that occurs most frequently

• The average

• The difference between the max and min values

What is the MEDIAN of a data set?

• The middle value

• The number that occurs most frequently

• The average

• The difference between the max and min values

• A
• B
• C
• D

What is the MEAN of a data set?

• The middle value

• The number that occurs most frequently

• The average

• The difference between the max and min values

What is the mean of the following data set:
1, 1, 3, 5, 5

• 1

• 3

• 5

• 15

What is the range of the following data set:
1, 1, 3, 5, 5

• 1

• 3

• 4

• 5

Which answer shows numerical data?

• Favorite animal

• Hours of sleep last night

• Hair color

• Elementary school you attended

What are the 1st and 3rd Quartiles of the Box Plot?

• 20 and 35

• 21 and 24

• 21 and 31

• 21 and 35

How could you describe the shape of the graph?

• Symmetrical, with most of the data found in the middle.

• Skewed (spread out) to right.

• Skewed (spread out) to the left.