A simple random sample of size nine is drawn from a population of 6000 high school students. The students in the sample are administered IQ tests; the other students are not. The IQs of the students in the sample are IQ
95.42
98.3
71.16
88.82
85.13
80.07
112.98
136.08
105.78
The sample mean of the IQ scores is (Q8)
The collection of IQ scores of all 6000 students is a ? A: real B: fictitious population.
The sample mean is a(n) (Q10) ? A: biased B: unbiased estimator of the mean IQ score of the population of students.
The sample standard deviation of the IQ scores is (Q11)
The sample standard deviation is a(n) (Q12) ? A: biased B: unbiased estimator of the standard deviation of the population.
The finite population correction is (Q13) ?
The estimated standard error of the sample mean of the IQ scores is (Q14) ?