Random Samples of Size 36 Are Taken from a Process

question 14

Multiple Choice

Random samples of size 36 are taken from a process (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 distribution of sample mean are _____.

• A) 36 and 15
• B) 20 and 15
• C) 20 and 0.417
• D) 20 and 2.5

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Definitions:

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