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Mathematics, 11.02.2020 19:58 maya4321

Random samples of size 36 are taken from an infinite population whose mean and standard deviation are 20 and 15, respectively. The distribution of the population is unknown. The mean and the standard error of the mean are

Select one:

a. 36 and 15

b. 20 and 15

c. 20 and 2.5

d. 20 and 0.417

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