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1. Random sample of size 4 are drawn from the finite population which consists of the numbers 2,3,7,8,and 10.
a. What is the population mean, population variance and population standard deviation of the given data?
b. What is the sampling distribution of the sample means for a sample of size 2 which can be drawn without replacement from the given population?
c. What is the mean, variance and standard deviation of the sampling distribution?
Provide an example of an independent sample and or a related sample that might be appropriate for use in your organization.
Before a beach is declared safe for swimming, a test of the bacteria count in the water is conducted with the null and alternative hypotheses formulated.
a sample of 24 of 172 funded projects revealed that 17 were valued at 17200 each and 7 were valued at 20480 each. from
Laid-off workers who become entrepreneurs because they cannot find meaningful employment with another company are known as entrepreneurs by necessity. A major national newspaper reports that these entrepreneurs by necessity are less likely to grow..
a. Use software to find the mean and standard deviation. b. Report the z-score for the shortest film, about the camel.
The operations manager at a clothing factory needs to determine whether a new machine is producing a particular type of cloth according to the manufacturers.
Based on the relation between subsequent amounts for amortization of the principal, what was the original value of the premium?
1) What are the hypotheses for this? test? 2) Identify the rejection region for the test.
A local political candidate wants to check his favorability rating during his re-election campaign.
Cool car colors The most popular colors for cars and light trucks change over time. Silver passed green in 2000 to become the most popular color worldwide.
Bolts are randomly selected until a 5 mm bolt is obtained. The outcomes are the sequences of bolts that can be selected. So one outcome is 1, and the other is 342. List the equally likely outcomes.
in a recent survey 344 ceos of medium and large companies were asked whether they had mba degrees. in the sample 97 had
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