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Population A and Population B both have a mean height of 70.0 inches with an SD of 6.0. A random sample of 30 people is picked from population A, and random sample of 50 people is selected from Population B. Which sample mean will probably yield a more accurate estimate of its population mean? Why?
Describe the format of a linear regression equation for estimating the dollar amount of the order on the basis of the other variables described above. If any qualitative variables are used, indicate the strategy for coding them.
Calculation of EPS and retained earning everdeen mining INC ended 2015 with a net profit before taxes of $ 436,000.
analysis of variance- one way classification.a pharmaceutical company wants to determine whether there is any
Prediction. The line on the scatterplot in Figure is the least-squares regression line for predicting brain weight from body weight.
If the standard deviation of the population was s = $6.36, find the 90% confidence interval of the mean.
Mong Corporation makes auto batteries. The company claims that 80% of its LL70 batteries are good for 70 months or longer.
Suppose a large sample is selected (instead of just 10). About 95 percent of the predictions regarding sales would occur between what two values?
(a) Determine the gain K so that the phase margin is 60° when T - 0.2. (b) Plot the phase margin versus the time delay T for K as in part (a).
Test hypothesis that intake of linoleic acid in this group is lower than that of general population. Also, calculate p-value for hypothesis test.
What is the first thing that the team from the advertising production department should do to reduce the number of errors? Explain
If seven workers are selected at random, what is the probability that a majority of them are made sick by their workplace?
lake wobegon junior college admits students only if they score above 400 on a standardize achievement test. applicants
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