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The scores on a test for a sample of 39 statistics students are summarized in the following table. 90, 80, 70. find the mean score. Round your answer to at least 1 decimal place
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The scores on a test for a sample of 39 statistics students are summarized in the following table. 90, 80, 70. find the mean score. Round your answer to at least 1 decimal place

User Wymli
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the answer is mean=78.5
User Goh
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