Description
Kristen bowled three games and had a mean score of 162. The next three times she bowled, she scored 138, 185, and 165. What is her mean score for all the games she bowled?
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Explanation & Answer
the mean score is the average of the mean scores;
(162+138+185+165)/4
(650)/4
=162.5
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For example:
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Price comparison for two stores, of matching items.
A one-sample t-test can be used to example if the mean of a population is different from a hypothesized value. Comparing the mean of your sample to the known mean.
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