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1. From experience, a manager knows that the commissions earned by her salespeople are very well approximated by a normal distribution. The manager wants to test whether the average commission is $439 per month. A random sample of 100 observations is available. What statistical test is best in this situation? Why?
2. Returns on stock of small ?rms have been shown to be symmetrically distributed, but the distributions are believed to be "long-tailed"-not well approximated by the normal distribution. To test whether the average return on a stock of a small ?rm is equal to 12% per year, what test would you recommend? Why?
one of the major measures of the quality of service provided by an organization is the speed with which the
the average flight from point a to point b takes 100 minutes with a standard deviation of 10 minutes.a. what is the
Computing the mean, standard deviation values for the given data - Describe how statistics is being misused in this situation
a researcher decides to test her hypothesis that some toys are more fun to play with than others so she decides to
Heights of People - The average height of a certain age group of people is 53 inches. The standard deviation is 4 inches. If the variable is normally distributed, find the probability that a selected individual's height will be:
In a sample of 1,000 representing a survey from the entire population, 650 people were from Laketown, and the rest of the people were from River City.
at one college gpas are normally distributed with a mean of 2.6 and a standard deviation of 0.4. what percentage of
Under what circumstances should a nonparametric test be used? Explain. What are the strengths and weaknesses of nonparametric tests? Can the outcomes of nonparametric tests be generalized to populations?
How many ways are there to select a committee
How many seats sould be in the non-smoking area in order to be very sure (mean+3StandardDeviation) of having enough seating there?
the egyptian air force brass believe that overweight pilots have slow reaction times. they attribute the poor
deliverable length 2 - 3 pages in ms worddescribe a situation in your business or personal life that required research.
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