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The business manager of a large corporation wanted to determine whether there was a difference between what salesmen spend on lunch and what executives spend on lunch. A sample of 8 salesmen indicated that they spent an average of $10.77 with a sample standard deviation of 0.24 on lunch. A sample of 10 executives indicated that they spent an average of $11.30 with a sample standard deviation of 0.56 on lunch. Let = 0.05. What are the critical values?
How much of each product do you recommend be produced that you believe maximizes revenue? How much revenue would be made if they followed your recommendation?
What is the probability that at least one of the flights will be late and why the binomial model is not appropriate for finding the probability that at least one flight will be late.
Obtain a time-series plot and correlogram of the residuals from (9) and comment on them with regard to the violation of classical assumptions. Test for fourth-order autocorrelation using the Breusch-Godfrey procedure
Calculate the correlation coefficient
What assumptions about the number of pedestrians passing the location in an hour are necessary for your hypothesis test to be valid?
Please read through the case scenario shown below to gain an understanding of the background information and the research study
How many categories in the ACME transportation table are qualitative and what is the average number of merchandise per order, for all orders? Round to the nearest integer and what is the standard deviation of all orders in this sample?
What can we say about the shape of the distribution of the sample mean?
You are expected to complete a project related to inferential statistics - show that the random variable X is exponential and compute the probability of the wait time when it is greater
What was the total number of participants surveyed for the study and what was the total number of participants who completed the entire survey?
Write your own newspaper article for the study with at least one appropriate table or graph.
Compute the mean and SD of the probability of the mean and determine the test statistic
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