Data Unit Review

The dot plots show the number of siblings of students in two different classrooms.
Which statement is best supported by the data in the dot plots?

• The mode of the data in Mrs. Blackfield's class is less than the mode of the data in Mr. Johnson's class.

• The range of the data in Mr. Johnson's class is less than the range of the data in Mrs. Blackfield's class.

• The median of the data in Mrs. Blackfield's class is greater than the range of the data in Mr. Johnson's class.

• The minimum value of the data in Mr. Johnson's class is greater than the minimum value for the data in Mrs. Blackfield's class.

The mode is

• The middle score

•  Scores added & divided by the number of scores

• The most frequent score

• The middle when in order

What is the median of the data?

• 2

• 1

• 3

• 12

The mode of the data is found at which number?

• 0

• 10

• 3 & 5

• 6 & 7

Calculate the mean of the following data set: 12, 15, 20, 25, 30.

• 20

• 22

• 24

• 26

Enter the weight of the bull in pounds.

Mathematical Equivalence

ON

A survey was conducted to find out the number of books students read over the summer. The mode of the data collected is 3 books. Which statement best describes the data collected?

• Most students read 3 books over the summer.

• The average number of books read by students is 3.

• The difference between the highest and lowest number of books read is 3.

• Half of the students read more than 3 books.

Given the following data set: 5, 8, 12, 15, 18, what is the median value?

• 8

• 12

• 15

• 18

What is the range of the data?

• 2

• 1

• 4

• 12

What is the difference between the medians for the two data sets? 

• 0 tickets

• 2 tickets

• 4 tickets

• 6 tickets