Basic Statistics Review

Which statement about the number of pets in each household is true?

• More than half the households have more than 3 pets.

• The IQR is 2.

• The household with 6 pets is an outlier for the set of data.

• The range of the data collected is 14.

Which type of statistical display would allow you to count the number of students with a math score of 75?

• histogram

• line plot

• box plot

• circle graph

Which statement best describes the shape of the data distributions?

• Graph 1 is skewed and Graph 2 is symmetrical.

• Graph 1 is symmetrical and Graph 2 is skewed.

• Graph 1 and Graph 2 are both symmetrical.

• Graph 1 and Graph 2 are both skewed.

What is the median of the following data set:
1, 3, 4, 4, 5, 6, 7

• 1

• 4

• 5

• 7

What is the mode of the following data set:
1, 1, 1, 2, 5, 9

• 1

• 2

• 5

• 9

What is the mode of the following data set:
1, 1, 4, 5, 6, 6, 7, 8

• 1

• 1 and 6

• 4

• 7 and 8

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 makes a question statistical?

• Population

• Measurability

• Variability

• All of the above

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