Scatterplots Prediction

Mrs. Collins made a scatterplot to show the relationship between the number of absences a student in her class has and the student's final exam score. Based on this scatterplot, approximately what score should a student with 6 absences expect to receive on the final exam?

• 67

• 86

• 11

• 76

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. Which statement is best supported by the scatterplot?

• There is a non-linear assocation between the number of lanes rented and the number of people who bowl.

• There is a negative linear association between the number of lanes rented and the number of people who bowl.

• There is no apparent association between the number of lanes rented and the number of people who bowl.

• There is a positive linear association between the number of lanes rented and the number of people who bowl.

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 remains the same.

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

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

Choose ALL graphs that have a non-linear trend.

YOU WILL HAVE MORE THAN ONE ANSWER CHOICE SELECTED.

• 1

• 2

• 3

• 4

• 5

Which scatterplot suggests a linear relationship between x and y?

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• 
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Elliott collected data from several of his friends about the number of hours they spent sleeping and the number of hours they spent playing video games on Saturday. He recorded the data in the scatterplot. Based on the scatterplot, what is the best prediction of the number of hours one of his friends spends sleeping when the friend spends 1 hour playing video games?

• 9 hours

• 13 hours

• 17 hours

• 5 hours

The scatterplot shows the number of people in each of 8 different households and the average amount of money each household spent on groceries. Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household that has 7 people?

• $230

• $190

• $270

• $300

What type of correlation does this graph have?

• Positive Correlation

• Negative Correlation

• No Correlation

• Chicken Nuggets

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• 50 min

• 80 min

• 45 min

• 60 min

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters