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A simple random sample of 10 households is selected from a population of 100 households. The numbers of people in the sample households are 2, 5, 1, 4, 4, 3, 2, 5, 2, 3.
(a) Estimate the total number of people in the population. Estimate the variance of your estimator.
(b) Estimate the mean number of people per household and estimate the variance of that estimator.
a sample of 344 subscribers of time magazine shows the mean time spent using the internet is 14.4 hours per week
Far West University offers both day and evening classes in business administration. One question in a survey of the students inquires how they perceive the prestige associated with certain careers.
an anova table for multiple regression has the required information to compute the coefficient of multiple
Ages of 56 attendees of a Harry Potter movie are shown. (a) Form seven age classes (10 to 20, 20 to 30, etc.). Tabulate the frequency of attendees in each class.
Could such a low average be considered just bad luck or should he be sent back to the minor leagues? Comment on the assumption of Bernoulli trials in this situation.
Twenty students randomly assigned to an experimental group receive an instructional program; 30 in a second group do not. After 6 months, both groups are tested on their knowledge
question suppose that 11 individuals take the gmat graduate management admission test then take a gmat preparation
How much should they charge for a 2 year extended warranty so that they will still make money selling the extended warranties in the long run and keep the cost of the warranties as low as possible to make them more marketable?
a researcher selects a sample of 80 people and records the frequency of participants choosing a low moderate or high
An individual whose level of exposure to a certain pathogen is x will contract the disease caused by this pathogen with probability P(x). If the exposure level of a randomly chosen member of the population has probability density function f , dete..
1 consider a resource-allocation problem having the following
In about 300 words (indicate your word count), provide an executive summary of your analysis and findings to Mr. Nitin with respect to the opportunities to maximise revenue.
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