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A fan index is caluclated for each of the professional sports to give an idea of what it costs for a family to go to a game. She sampled 20 teams from 2012 NFL and found the average cost index to be $431 with a standard deviation of $76.00
A-What is the population mean? What is our best estimate?
B-Construct the 98% confidence interval for the average fan cost.
C-A larger study was done and found that the true average amount spent was $443.11. Given this, what is the sampling error of the mean?
A rental agent claims that the mean monthly rent, mu, for apartments on the east side of town is less than $725. A random sample of 13 monthly rents for apartments on the east side has a mean of $724, with a standard deviation of $15.
question 1 a sample of the various prices for a particular product has been conducted in 16 stores which were selected
a husband and wife ted and suzanne share a digital music player that has a feature that randomly selects which song to
Develop a correlation matrix. Which independent variable has the strongest correlation with the dependent variable? Does it appear there will be any problems with multicollinearity?
A shock can cause the failure of component 1 alone with probability p, component 2 alone with probability q, both components with probability r, or have no effects with probability 1-p-q-r. Suppose no repairs are possible and the system fails when..
Construct the 90 percent confidence interval for the proportion of checking account customers who have a Visa card with the bank. (Round your answers to 3 decimal places.)
jacks game preserve is stocked with 30 moose 25 elk and 45 deer. five years later a sample of animals yields 90 moose
Solution throughout graphical method. Produced by a company linear programming model is used to describe the production schedule.
How many straight flush possible hands exist in Poker? (5 cards of 5 consecutive ranks, all in 1 suit, including Aces, Kings, Queens and Jacks). Explain.
Find out the cheapest way of manufacturing today's batch of NasaMist.
what are the advantages and disadvantages of graphical as opposed to numerical approaches to descriptive
Explain these results to a person who understands the t test for a single sample but knows nothing about the t test for independent means.
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