Midterm 2 practice solutions

A continuous b discrete answer a 5 random samples of

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a. Continuous b. Discrete ANSWER: a 5. Random samples of size 49 are taken from an infinite population whose mean is 300 and standard deviation is 21. The mean and standard error of the sample mean, respectively, are: a. 300 and 21 b. 300 and 3 c. 70 and 230 d. 49 and 21 ANSWER: b
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