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Consider a small population of N = 5 units, labeled 1, 2, 3, 4, 5, with respective y-values 3, 1, 0, 1, 5. Consider a simple random sampling design with a sample size n = 3. For your convenience, several parts of the following may be combined into a single table. (a) Give the values of the population parameters μ, τ , and σ2. List every possible sample of size n = 3. For each sample, what is the probability that it is the one selected? (b) For each sample, compute the sample mean y and the sample median m. Demonstrate that the sample mean is unbiased for the population mean and determine whether the sample median is unbiased for the population median.
A system consists of five identical components connected in parallel. Determine the reliability of the components such that the system reliabilty is 97%.
Write out the multiple regression equation using the given data.
seventy-eight percent of the light aircraft that disappear while in flight in a certain country are subsequently
two marbles are selected one at a time from a jar of marbles containing 10 black 10 brown 10 white and 10 green
Construct a runs chart for the empty weight. Include a line at the average empty weight for reference and comment on the chart. Construct a runs chart for the full weight. Include a line at the average full weight for reference and comment on the ..
Given that both balls selected are white what is the probability that bowl 3 was selected?
an online computer retailer sells both desktop and laptop computers. assume that 8 of the computers that the online
1. a state group is interested in whether voters would support lowering the legal drinking age to 18. a simple random
In StaTScan what is the difference between a spatial cluster size to 25% of the population risk and one with 50% window ? In StaTScan what is the difference between space-time permutation and space-time?
question a process for the manufacture of penicillin was studied. there were five variants of the basic process being
a the access code for a security system consists of five positions. the first position can be any letter 26 while each
a random sample of the lifetime of 49 ultraillum light bulbs has a mean of 3960 hours and a standard deviation of 200
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