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Predicting in Data Analysis Worksheet

Grade 8 Math worksheet on predicting trends and making inferences from scatter plots and lines of best fit.

Grade 8 Math Data and GraphingPredicting in Data Analysis
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Includes

Multiple ChoiceFill in the Blanks2 Short AnswerCustomTrue / False

Standards

CCSS.MATH.CONTENT.8.SP.A.1CCSS.MATH.CONTENT.8.SP.A.2CCSS.MATH.CONTENT.8.SP.A.3

Topics

mathgrade 8data analysispredictingscatter plotsline of best fit
8 sections · Free to use · Printable
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Predicting in Data Analysis

Name:

Date:

Score:

Read each question carefully and answer to the best of your ability. Show your work where applicable. For questions involving graphs, use the provided coordinate plane.

1. What type of correlation is shown in a scatter plot where the points generally go up from left to right?

a

Negative correlation

b

Positive correlation

c

No correlation

d

Linear correlation

2. A line of best fit is used to describe the   between two variables in a scatter plot.

3. Explain the difference between interpolation and extrapolation when making predictions from a line of best fit.

4. The scatter plot below shows the number of hours students spent studying for a test and their scores. Draw a line of best fit and use it to predict the score of a student who studied for 7 hours.

0246810246810

Predicted Score:  

5. A strong correlation always implies causation.

T

True

F

False

6. A local ice cream shop recorded its daily sales and the average daily temperature for two weeks. If there is a positive correlation between temperature and sales, what would you predict about sales on a very hot day?