You use the finite population correction factor when
you sample without replacement and the sample size is larger than 5% of the population
you sample without replacement and the sample size is smaller than 5% of the population
you sample with replacement and the sample size is larger than 5% of the population size.
you sample with replacement and the sample size is smaller than 5% of the population size.
PART B: PROBLEM SOLVING QUESTIONS (10 Marks Each)
The table below contains the opinions of a sample of 200 people broken down by gender about the
latest congressional plan to eliminate anti-trust exemptions for professional baseball.
Construct a table of row percentages.
Of those for the plan in the sample, what percent were females?
Of the females in the sample, what percent were either neutral or against?
What percent of the 200 were males who were neutral?
Assuming the sample is a good representation of the population, what percent of the females in the
population is expected to be not against the plan?
63.46 or (51.92 + 11.54)
88.46 or (36.54 + 51.92)
In a recent academic year, many public universities in the United States raised tuition and fees due to
a decrease in state subsidies. The change in the cost of tuition, a shared dormitory room, and the
most popular meal plan from the previous academic year for a sample of 10 public universities were
as follows: $1,589, $593, $1,223, $869, $423, $1,720, $708, $1,425, $922 and $308.
What is the mean and median change in the cost?
What is the standard deviation of the change in the cost?
What is the interquartile range of the change in the cost?
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