Using simple random sampling, 100 males were drawn from a population and asked their age. The mean age for these men was 22. The standard error for the sample was 5. We are 68% confident that the population parameter is:
a. 22
b. Between 19.5 and 24.5
c. Between 17 and 27
d. Between 12 and 32
e. Not enough information to calculate
Answer: c. Between 17 and 27
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