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How do you figure out if doing more homework means getting a higher test grade?PowerPoint Presentation

How do you figure out if doing more homework means getting a higher test grade?

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How do you figure out if doing more homework means getting a higher test grade?

I fixed the animation. Two rules of thumb:

All images “fade” in (see tutorial on animation)

All letters appear letter-by-letter the first time.

Should I do my homework?

In this lesson you will learn how to interpret a scatter plotby identifying clusters and outliers.

Where are the clusters and outliers? plot

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Letters in Last Name

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These points form a tight cluster in an upward pattern.

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So, homework and tests scores ARE related!! plot

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This point is an outlier.

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Possible reasons for this outlier…. plot

I get nervous when I test.

I can’t remember how many assignments I did.

I don’t really understand.

Yes! Doing more homework means getting a higher test grade MOST of the time!

The clusters tell me that I should do my homework!

In this lesson you MOST of the time!learned how to interpret scatter plots by identifying clusters and outliers.

Circle and describe the pattern of the cluster of points in this graph.

Box any outliers if found.

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Hours watching TV

Survey 10 this graph. people and construct your own scatter plot with the results. Look for any clusters and explain your findings. Box an outlier(s). Give possible reasons for the outlier(s).

Find a data table in your local newspaper that compares two pieces of data. Construct a scatter plot using the data found. Look for any clusters and explain your findings. Box an outlier(s). Give possible reasons for the outlier(s).

Identify the outlier in the graph. Give possible reasons for the outlier.

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