SOLUTION: 1. The information below represents five baskets of apples containing the quantities shown below.
Baskets..Number of Pencils(Population)
1..30
2..18
3..30
4..33
5..36
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Question 829432: 1. The information below represents five baskets of apples containing the quantities shown below.
Baskets..Number of Pencils(Population)
1..30
2..18
3..30
4..33
5..36
(a) How many different samples of two baskets each are there?
(b) List all possible samples of size two and compute the mean of each sample.
(c) Calculate the population mean and compare it to the mean of the sampling distribution.
4. The department of Labor and Statistics conducted a research study related to health and health costs by surveying 30 families. The study found that the annual health insurance premiums for a family with coverage through an employer averaged $16,469. The standard deviation of the sample was $2,000.
(a) What is the population mean? What is the best estimate of the population mean?
(b) Based on this sample information, develop a 95% confidence interval for the population mean yearly premium.
(c) How large of a sample is needed to assess the population mean with an allowable error of $600 at 99% confidence?
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
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