The 0 in the numerator for the formula for the paired samples + test statistic represents the _____ hypothesis. a. mean difference score according to the alternative b. population standard deviation accordiing to the alternative c. population standard deviation according to the null d. mean difference score according to the null

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Q: Find the population mean or sample mean as indicated.   ​Sample: 25​, 10​, 3​, 6​, 11

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