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You have 3 groups that you are trying to find if there is a difference in any of the population means. In each group there are 5 observations. The given level of significance is an alpha of .005. Your MSA is 6,000 and your MSW is 500. Will you reject your null hypothesis that all population means are equal or will you not reject? Choose the best answer from the options below. A. The null hypothesis is proven true
B. You will not reject the null hypothesis
C. The critical value is 8.51
D. A and C
E. B and C
Assume we have set of blood pressure with a mean of 80 Diastolic, and a sample standard deviation of 10 points. If we assume a normal distribution of Diastolic blood pressures,
The average cost of a one bedroom apartment in a town is $550 per month. What is the probability of randomly selecting a sample of 50 one bedroom apartments in this town and getting a sample mean of less then $530 if the population standard deviat..
What sample size would be needed to obtain an error of +/- 10 square millimeters with 99% confidence?
What is the rejection point at α = .01 and indicate if you would accept or reject H o ?
Construct ogive cure and numerical measures for the discrete data.
Let x be a random variable that represents the commute time of teachers in a large urban area. If x is normally distributed with a mean of 46 minutes and a standard deviation of 5 minutes, find the commute time which is at the top of the bottom 25..
Use this sample information to develop a 99% confidence interval for the population proportion of women who wear flats to work.
At the .01 significance level, can we conclude that there is more variation?
If you draw one ball from the urn what is the probability that it is blue or white?
Comparing the results from (a) and (e), what happens to the required sample size when we increase the confidence level?
The mean monthly demand for steam boilers is 6.8 with a standard deviation of 1.7. Compare the dispersion of these distributions. Which demand pattern has more relative variation? Explain.
A) Describe the term population. B) Describe the term random sample. C) What is the difference between a population and a random sample?
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