In a large population of college-educated adults, the mean IQ is 115 with a stan
ID: 3393388 • Letter: I
Question
In a large population of college-educated adults, the mean IQ is 115 with a standard deviation of 20. Suppose 100 adults from this population are randomly selected for a market research campaign.
The parameter(s) here is(are)
the mean IQ (m) of college-educated adults.
the standard deviation (s) of IQs of college-educated adults.
Neither A nor B
Both A and B
A statistic here is
the mean IQ (m) of college-educated adults.
the standard deviation (s) of IQs of college-educated adults.
the sample mean IQ calculated from the 100 college-educated adults.
None of the above
Explanation / Answer
1)
Both A and B
2)
the sample mean IQ calculated from the 100 college-educated adults.
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