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Grade 9

8.02 Correlation and r value

Interactive practice questions

Identify the correlation between the age of a child and their clothing size.

A positive correlation

A

A negative correlation

B

No correlation

C
Easy
< 1min

Identify the correlation between the age of a person and how funny they are.

Easy
< 1min

Identify the correlation between the temperature and the number of heaters sold.

Easy
< 1min

Is there a causal relationship between the number of times a coin lands on heads and the likelihood that it lands on heads on the next flip?

Medium
< 1min
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Outcomes

9.B3.5

Pose and solve problems involving rates, percentages, and proportions in various contexts, including contexts connected to real-life applications of data, measurement, geometry, linear relations, and financial literacy.

9.D1.3

Create a scatter plot to represent the relationship between two variables, determine the correlation between these variables by testing different regression models using technology, and use a model to make predictions when appropriate.

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