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Your company designs and manufactures apparel for the North American market. Clothing and apparel is a style good, with a relatively limited life.
Items not sold at the end of the season are usually sold through off-season outlet and discount retailers. Items not sold through discounting and off-season merchants are often given to charity or sold abroad.
a. What forecasts do you need in this business to be successful?
b. Are these short-range or long-range forecasts?
c. What data do you need to be able to generate these forecasts?
d. What are the implications of forecast errors?
A sample of 20 is taken, resulting in a mean of 16.45 and standard deviation of 3.59. Assume that x is normally distributed and used alpha of 0.5 to test hypotheses.
As a sample size approaches infinity, how does the student's t distribution compare to the normal z distribution? When a researcher draws a sample from a normal distribution, what can one conclude about the sample distribution? Explain.
a simple random sample of 49 8th graders at a large suburban middle school indicated that 82 of them are involved with
timber yield is approximately equal to the volume of a tree however this value is difficult to measure without first
You wish to do a community needs assessment survey of a community to find out how much office space is needed by professionals in the community.
Randomly selected cans of Coke are measured for the amount of cola in ounces. The sample values listed below have a mean of 12.19 ounces and a standard deviation of 0.11 ounces. Use a 0.05 significance level to test the claim that cans of coke hav..
three cards are randomly selected without replacement from a standard deck of 52 playing cards. compute the conditional
the computer-science aptitude scorenbspx and the achievement scorenbspynbspmeasured by a comprehensive final were
a college requires applicants to have an act score in the top 10 of all test scores. the act scores are normally
The majority of the data is basically distributed if there are enough subjects. For instance, if you collected test scores of only a few honor students, the data will most likely not be normally distributed because you would have a sample that did..
Personal phone calls received by a new employee was 3,5, and 6. assume that samples of size 2 are randomly selected with replacement from this population of three values. Find the mean of the distribution.
Use your calculator to find the mean and standard deviation for the 9 observations that remain when you leave out the outlier. How does the outlier affect the values of x and s? Is s a resistant measure of spread?
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