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Consider all samples of size 2 from a finite population that consists of the numbers 5, 6, 7, 8, 9, 10.
1. Show that the mean of the finite population is 7.5 and variance is 2.9167. Compute the standard deviation.
2. List all random samples of size 2 taken without replacement from this finite population and calculated the mean of each sample.
3. Construct the probability distribution of the sample means from the samples of size 2 enumerated in question 2.
4. Calculate the mean, variance, and standard deviation of the probability distribution obtained in question 3. Compare these results with the terms indicated by the Central Limit Theorem (in these computations use the finite correction factor for the variance/standard deviation since the population is of size variance).
what is the value of the t score for a 98 confidence interval if we take a sample of size 22?a. 2.845b. 2.518c. 2.861d.
Ailín is the recently appointed purchasing manager of firm manufacturing folding bicycles.
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assume you are in charge of a production line which allows for no more than 1 defectives in order to be in compliance.
Instructions: For each abstract, indicate whether the study is observational or experimental, and then indicate the population being studied and the dependent and independent variables.
IQ tests generally have scores in which the mean is 100, and the standard deviation is 16. If your IQ score was 134, what percentage of the population would have a higher IQ than you?
Suppose that the proprietor of a shop determines that 60% of her customers use a credit card, 30% pay with cash, and the rest use a debit card. What is the probability that a customer does not pay with cash?
In the High Middle Ages, what relationships do you see between economic growth and political power? For example what do we know about the growth
Find a two-way ANOVA. Find an example of a two-way ANOVA on the Web. The Journal of the American Medical Association (jama.ama-assn.org), Science Magazine (www.sciencemag.org), the Canadian Medical Association Journal (www.cmaj.ca), and the Journa..
the joint distribution of a proportion of votes for candidate x and a proportion of votes for candidate y is given by
In exercises describe the probability law of the random variable given.
an insurance company is reviewing its current policy rates. when originally setting the rates they believed that the
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