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A data set has n=5 pairs of X and Y values. This data has SSx=10, SSy= 40 and SP=10. Compute the Pearson correlation and explain.
if a is a subset of b and b isnt equal to 0 is pa larger or smaller than pab? provide some intuitive reasoning for your
Because each roll has six possible even values (2, 4, 6, 8, 10, and 12) and only five possible odd values (3, 5, 7, 9, and 11), the dice should show even values more often than odd values. Do you agree with this statement? Explain.
Assuming Tt = 761 + 5t that a multiplicative model can be used to describe the building permit data, generate a forecast for the number of building permits that you expect will be granted in June of 2006.
A health services provider has been reimbursed by a national health insurance organization for a large number of services. It appears that overpayments may have occurred on many of the reimbursements
Assume a population standard deviation of 450-kilowatt hours. Determine the standard error of the mean.
Suppose all cities are directly connected except B and C are not directly connected. How many different flight plans are available to the salesperson?
describe the assumptions of normality and homogeneity of variance. when these assumptions are violated what are your
Compare two models. Model #1 has an r-squared of .25 and an adjusted r-squared of .10. Model #2 has an r-squared of .20 and an adjusted r-squared of .14. Given this information, what model should you use?
A random variable is normally distributed, with (population mean)= 300 pounds and (standard deviation) = 50 pounds. How small can a simple random sample be if the standard error of the mean can be no more than 20 pounds?
question david is an insurance broker who believes that the probability of making a sale is 0.3.a find the mean and
your friends are in a local band and you help them promote upcoming concerts by passing out postcard-sized print ads.
a gambler has a fair coin with one head and one tail and a two-headed coin. he selects one of the coins at random and
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