Random Samples of Size 81 Are Taken from an Infinite

question 116

Multiple Choice

Random samples of size 81 are taken from an infinite population whose mean and standard deviation are 200 and 18, respectively. The distribution of the population is unknown. The mean and the standard error of the mean are

• A)200 and 18
• B)81 and 18
• C)9 and 2
• D)200 and 2

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