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The marketing research group of a corporation examined the public response to the introduction of a new TV game module by comparing weekly sales volumes (in $ thousand) for three different store chains in each of four geographic locations.
a. Write an appropriate model (including an effect for weeks) and the sources of variability in an analysis of variance table.
b. How would your model change if we analyze the total 2-week sales data?
c. Run an analysis of variance on the 2-week sales data using formulas from Chapter 15. Use α = .05.
assume the readings on thermometers are normally distributed with a mean of 0 degree c and a standard deviation of 1.00
consider the following bivariate data.pointabcdefghijx5346626241y5122213612calculat enbspsxnbspandnbspsy. give your
the usa corps of engineers is considering two different loaders that move large amounts of fill per load. as a result
Would you prefer to have your college or university run on the order of the medieval University of Bologna? Why or why not? In what ways is your college or university indebted to the medieval university?
an engineer takes a large number of independent measurements of the length of a component and obtains mean x 5.2 mm
Weekly income of more than $429.35, the value of the standard deviation of the weekly earnings of the bus drivers is 15. is it true?
You are in charge of a new study on the effect of caffeine and memory. From , a previous pilot study , you find that the effect size is 0.6. You want to have a type I error at 0.05 and a type II error of 0.2 . In your study you split your sample i..
derive de moivres result logqm-2t2n or equivalently logmq2t2n.hint divide the arguments of the first two logarithm
in the u.s. it is estimated that an average person makes 4 visits a year to the doctors office.a what is the mean and
An article in Annals of Mathematical Statistics reports the following data on the number of borers in each of 120 groups of borers. Does the Poisson pmf provide a plausible model for the distribution of the number of borers in a group?
Compute the 99% confidence interval for the population mean based on the sample 62, 68, 61, 64, 65, 62, and 66. Then, change the number from 66 to 16 and calculate the confidence interval.
Can the college conclude that the students in the new program are significantly different from the rest of the freshman class? Use a two-tailed test with α=.05.
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