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Recent advances in cell phone screen quality have enabled the showing of movies and commercials on cell phone screens.
But according to the New York Times, advertising is not as successful as movie viewing.
Suppose the following data are numbers of viewers for a movie (M) and for a commercial aired with the movie (C).
Test for equality of movie and commercial viewing, on average, using a two-tailed test at α = 0.05 (data in thousands):
M: 15 17 25 17 14 18 17 16 14
C: 10 9 21 16 11 12 13 15 13
question to investigate the phenomenon of home team advantage a researcher recorded the outcomes from 64 college
in some reports the mean and coefficient of variation are given. for instance in statistical abstract of the united
jann knows that the average house hold has 2.4 children with a variance of 2.11. her friend elaine has 5 children. jann
Find the 95% confidence interval of the mean number of ER patients treated each day in the hospital if the standard deviation is 8 instead of 4.
the random variable x the time to failure in thousands ofmiles driven of the signal lights on an automobile has a
Either no change to the Objective function or a raise in the value of the objective function depends on the constraint.
What is the cost structure of the air industry? How does it compare with other modes? How does this affect pricing, particularly for passengers? Be sure your answer includes examples from either advertising or the
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A researcher evaluating a gun training program in a large American city found that rapes dropped by 90% in the year following the training.
Determine the sample size necessary to estimate a population proportion to within .03 with 90% confidence assuming you have no knowledge of the approximate value of the sample proportion.
What percentage of bags will weigh more than 16.4 ounces? What percentate of bags will weigh less than 15.92 ounces
The third door leads to a tunnel that returns him to his mine after ?ve hours. Assuming that the miner is at all times equally likely to choose any one of the doors, what is the expected length of time until the miner reaches safety?
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