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1. The structure of these data resembles the structure of the data in the pricing example, but there are differences.
(a) If we consider the satisfaction data as an experiment, with response Rating, are the data balanced?
(b) What are the implications for the later analysis of your answer to (a)?
2. (a) What do you learn from a one-way analysis of variance of Rating by Vehicle Category?
(b) What do you learn from a one-way analysis of variance of Rating by Manufacturer?
what are the values of the 1 test statistic 2-3 critical values and the 4 smallest level of significance at which the
There are four auto body shops in a community and all claim to promptly serve customers. To check if there is any difference in service customers are randomly selected from each repair shop and their waiting times in days are recorded.
according to a survey of the top employers in a major city in the midwest a worker spends a average 413 minutes a day
in the basic economic order quantity eoq model a doubling of estimated annual demand would lead to what change in
A Correlation matrix (correlation, coefficients and probability level under the hypothesis rho = 0) for a company's sales force (age, years of service, and current sales) is given below. Comment.
you are going to toss a coin repeatedly in successive trials until you get a head for the first time and then you are
State the alternative hypothesis that would be used to determine if Brand A has a higher proportion of defective smoke detectors than Brand B. Calculate the test statistic for determining if a difference exists between the failure rates of the two..
A production process produces 90% non-defective parts. A sample of 10 parts from the production process is selected. What is the probability that the sample will contain 7 non-defective parts?
If the gender-selection method has no effect and boys and girls are equally likely, find the mean number of boys born in groups of 152. Round to the nearest whole number.
Explain advantages and disadvantages of a potential resolution to a problem/issue
Furnish 2 offices each with a desk, chair, and file cabinet and 2 bookcases. At a local store there are 6 models of desks, 8 models of chairs 4 models of file cabinets and 10 models of bookcases.
It was reported that 20 readers responded and 87% said "no" whiles 13% said "yes". Identify four major flaws of the situation. Explain why you chose them.
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