PSABM52D - Practice---Acc7.5 Lesson 23 Looking for Associations (8.SP.A.4)
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Part A)

A scientist wants to know if the color of the water affects how much animals drink. The average amount of water each animal drinks was recorded in milliliters for a week and then graphed. Is there evidence to suggest an association between water color and animal?

 

 

 

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Part B)

Explain your reasoning. 

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Part A)

A farmer brings his produce to the farmer’s market and records whether people buy lettuce, apples, both, or something else.

 

 

Make a table that shows the relative frequencies for each row.

 

Create and fill in the table using the table button

 

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Part B)

Use this table to decide if there is an association between buying lettuce and buying apples.

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Part A)

Researchers at a media company want to study news-reading habits among different age groups. They tracked print and online subscription data and made a 2-way table.

 

 

Create a segmented bar graph using one bar for each row of the table.

 

Draw your graph on paper, take a picture, and upload it using the image upload icon


If you do not have the ability to upload an image of your work type "Graph is on paper."

 

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Part B)

Is there an association between age groups and the method they use to read articles? Explain your reasoning.

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Using the data in the scatter plot, what is a reasonable slope of a model that fits this data?

 

 

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