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There is one dot at 3.45. What does that value represent?
A
In one simulated SRS of 100 students, the average GPA was = 3.45.
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In one simulated SRS of 100 students, the population mean GPA was = 3.45.
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There is a 1 out of 100 chance that the population mean GPA is = 3.45.D
A majority of the sample of 100 students had a GPA of = 3.45.5
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What happens to the standard deviation of the sampling distribution as the sample size increases?
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It increases.B
It decreases.C
It stays the same.D
It may increase or decrease depending on the size of the population.9
If a pollster wants to increase their ability to predict the outcome of an election, one thing they can do is increase the size of the sample. By doing so:
A
nonresponse will be eliminated.B
the results of the sample will be unbiased.C
the variability of the sample results will be reduced, giving greater precision in the estimate.D
the pollster can be certain that he can correctly predict the outcome of the election.10
The sampling distribution of has bias and variability.
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