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Fifty cities provided information on vacancy rates (in percent) in local apartments in the following frequency distribution. The sample mean and the sample standard deviation are 9% and 3.6%, respectively.
Apply the goodness-of-fit test for normality at the 5% significance level. Do the sample data suggest that vacancy rates do not follow the normal distribution?
1. a local cable tv company with customers in 15 towns is considering offering high-speed internet service on its cable
Is coffee the key to success in a f2f Stat 200 class? (Would it be necessary in our on-line course?) FINALLY, what are some of the flaws in this observational analysis? How might it be better designed
a company has estimated that a proposed 10000 investment will generate 3250 for each of the next four years. their
Suppose the random variable x is best described by a normal distribution with µ = 24 and σ = 2.7. Find the z-score that corresponds to each of the following x values.
suppose 60 people in stat 322 class each generate a random number independently resulting in 60 random numbers.let x
Using the information in E20-2B, prepare a pension work sheet inserting January 1, 2014, balances, showing December 31, 2014, balances, and the journal entry recording pension expense.
In 1984 the country of Morocco in an attempt to determine the average amount of time that tourists spend in that country on a visit tried two different sampling procedures.
use the following data to develop a multiple regression model to predict y from x1 and x2. discuss the output
A distribution with m = 55 and s = 6 is being standardized so that the new mean and standard deviation will be m = 50 and s = 10. When the distribution is standardized, what value will be obtained for a score of X = 58 from the original distributi..
1. a box contains 5 green 6 red 2 yellow and 8 blue marbles. four marbles are drawn from the box at the same time.a
an experiment involves selecting a random sample of 256 middle managers at a random for study. one item of interest is
intelligence tests are designed to provide a normal distribution of iq scored whith a mean of 100 and a standard
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