Bivariate Data Tables

Bivariate data involves

• one variable

• two variables

• three variables

• four variables

What percentage of the days that it rained, did they forecast no rain?

• About 20%

• About 18%

• About 14%

• About 12%

A survey explored the relationship between gender and band class. Which is a reasonable conclusion?

• There are more band members than non-band members

• There are more boys in the class than girls

• There are more boys in band than not in band

• More than half of the bands members in the class are girls

How many male students were surveyed?

• 23

• 47

• 80

• 33

Which of the following is a true statement?

• A total of 348 6th grade students ordered in the cafeteria.

• Of the students in the 8th grade, 128 ordered pizza.

• A total of 333 students ordered a pizza.

• Of the students in the 6th grade, 333 ordered pizza.

What number should go in the blue box?

• 21

• 135

• 19

• 22

The table below represents the total number of pencil top erasers in different numbers of packages.
Each package has the same number of erasers. What is the total number of erasers in 5 boxes?

• 67, because 72-5=67

• 36, because 2x18=36

• 9, because 81-72=9

• 45, because 5x9=45

Data that has two variables

• bivariate data

• clustering

• frequency

• outliers

The two top-selling book stores for a company list their sales figures for the first 6 months of the year. Sales amounts are in thousands of dollars. What was the difference in the sales figure for August?

• 6

• 5

• 6 000

• 5 000

In how many months did the City Central store sell more books than the Chatswood store?

• 1

• 2

• 3

• 4