Unit 5 Bivariate Data Review

The scatterplot shows the relationship between age and height. Which best describes the relationship between the two variables?

• The data shows no correlation.

• The data shows a positive correlation between the two variables.

• As age increases, weight seems to decrease.

• The data suggests a negative linear correlation.

Which graph represents a positive correlation?

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In a recent school survey, 45 out of 120 students said they plan to participate in band next year. If there are 560 students in the school, which is the best prediction for the number of students who will be in band?

• 95

• 315

• 180

• 210

The scatterplot shows the number of field goals attempted and the number of field goals made. Which statement best describes the data in the scatterplot?

• The information shows a negative correlation between field goals attempted and field goals made.

• There is no correlation between field goals attempted and the number of field goals made.

• As the number of field goals attempted increases, the number of field goals made increases.

• As the number of field goals attempted increases, the number of field goals made decreases.

The scatterplot shows the average yearly consumption of bottled water by people in the United States starting in 1990. Using the trend line, what is the best prediction of the average consumption of bottled water in 2000?

• 22 gallons

• 16 gallons

• 19 gallons

• 20 gallons

Which relationship is shown by this scatterplot?

• As the cost goes down, the number sold goes down.

• As the cost goes up, the number sold goes down.

• As the cost goes down, the number sold remains the same.

• There is no relationship between the cost of a gym membership and the number of gym memberships sold.

The scatterplot shows the relationship between the elevation and the average annual temperature? What is a reasonable prediction for the average annual temperature at an elevation of 3,000 feet?

• $2.75\degree C$

• $4\degree C$

• $1\degree C$

• $5\degree C$

The scatterplot shows how the cost of a single unit of a product relates to the number of units of that product that are sold. Which statement accurately describes the data?

• There is no correlation between the cost of a single unit and the number of units sold.

• There is a positive correlation between the number of units sold and the cost of a single unit.

• There is a negative correlation between the number of units sold and the cost of a single unit.

• As the number of units sold increases, the cost of a single unit increases.

Which scatterplot shows the relationship between x and y if x represents a student's score on a test and y represents the number of incorrect answers a student had on the test?

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Which is closest to the mean absolute deviation of the data set.

 $10,\ 18,\ 12,\ 4,\ 15,\ 10,\ 3$  

• 4

• 10

• 2

• 8