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Average

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AP Statistics

Definition

Average refers to the numerical value obtained by summing up several quantities and dividing them by the total number of quantities.

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Practice Questions (1)

An article claims that wearing a specific brand of shoes enhances athletic performance. To investigate this, researchers randomly assigned 100 participants to wear either the brand's shoes or a different brand during physical tests. They found that participants wearing the specific brand of shoes performed better, on average, compared to those wearing the alternative brand. The calculated p-value from the significance test was 0.025. Which is the best interpretation of the p-value?

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