Scatterplot and Trend lines Practice #2

Which scatterplot suggests a linear relationship between x and y?

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Tags

CCSS.8.F.A.3

The scatterplot shows the number of people in each of 6 different households and the average amount of money each household spends on groceries. Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household of 6 people?

• $260

• $160

• $200

• $320

The daily attendance at a bowling alley was recorded for 15 days. The scatterplot shows the number of lanes rented each day and the number of people who bowled that day. Based on the scatterplot, what is the best prediction of the number of people bowling, if 11 lanes are rented?

• 50

• 60

• 70

• 85

Which of the following scatterplot does NOT suggest a linear relationship between x and y?

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Julie made 25 international long-distance phone calls to London last month. The scatterplot below shows the length and cost of each phone call she made. Which conclusion is best supported by the scatterplot?

• As the length of a call increases, the cost of the call increases.

• As the length of a call increases, the cost of the call is the same.

• As the length of a call increases, the cost of the call decreases.

• There is no relationship between the length of the call and the cost of the call.

Based on the scatterplot, which is the best prediction of how long the train ride will be if the train is traveling an average of 100 miles per hour?

• 52 minutes

• 86 minutes

• 125 minutes

• 64 minutes

Based on the scatterplot, which is the best prediction of how many people will drive on Farrington Road if there is 5 inches of snow on the ground?

• 2

• 5

• 4

• 7

The scatterplot below shows the number of pages and the number of chapters in several books. Based on the scatterplot, what is the best prediction for the number of pages in 10 chapters?

• 240 pages

• 260 pages

• 280 pages

• 300 pages

The scatterplot of a data set is shown below. Which statement is best supported by the scatterplot?

• There is a non-linear association with speed and temperature.

• There is a negative linear association with speed and temperature.

• There is a positive linear association with speed and temperature.

• There is no apparent association between speed and temperature.

On a field trip, there are 3 adults for every 45 students. Which graph models a relationship with the same unit rate?

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Tags

CCSS.8.EE.B.5