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Basic Statistics & Probability

Basic Statistics & Probability

Scatter Plots & Correlation Exercises

Example 1

The amount of time spent studying and your grade point average.

Example 2

Shoe size and the number of pairs of shoes one owns.

Example 3

Frankie and Lucy are planning on selling a new iPhone app. This is a scatter plot estimation of how many apps they can sell at different prices. A line of best fit is drawn in for you.

iPhone app

Example 4

What kind of correlation is shown in this graph (positive, negative, or no correlation)?

Example 5

If Frankie and Lucy price the application at $2.50, how many can they expect to sell, and how much money would they get from the sales?

Example 6

If they price the application at $3.00, how many can they expect to sell, and how much money would they get from the sales?

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