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You have 4 groups that you are trying to find if there is a difference in any of the population means. In each group there are 7 observations. The given level of significance is an alpha of .005. Your MSA is 6,200 and your MSW is 1,000. 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) You will reject the null hypothesis
B) You will not reject the null hypothesis
C) The critical value is 5.52
D) A and C
E) B and C
By using this data and incorporating seasonal effects, predict quarterly turnover for 2010.
A Taguchi experiment is to be performed on the effects of lift, bore, stroke, and compression on engine performance with horsepower as the outcome variable. The factors were tested at each of the following levels in hopes of improving engine horse..
Determine the probability that sample mean is between 7.5 and 8 minutes?
Assume a business researcherwishes to test hypothesis that greater proportion of marketing managers keep track of such obligations.
The company statistician has reported the mean number of man-hours lost per month but did not keep a record of the total sum. Should the manager order the study repeated to obtain the desired information? Explain your answer clearly.
Illustrate what can we say about the probability distribution. Is it approximately normal, elucidate the mean and standard deviation.
Suppose a product must go through a sequential assembly line made up of ?ve operations. The time it takes to complete each operation is normally distributed with a mean of 180 seconds and standard deviation of 5 seconds.
One state lottery has 500 prizes of $1, 75 prizes of $15, 15 prizes of $100, 5 prizes of $450, 2 prizes of $1225, and 1 prize of 2500. Assume that 28,000 lottery tickets are issues and sold for $1. What is the lottery's expected profit per ticket?
Part 1. What is the appropriate distribution for such data? Part 2. Is this lot anomalous?
Which variable is the independent variable and which is the dependent variable? Write out the regression equation and sketch it on the plot. What percentage of the variability in the defect rate can be explained by differences in volume?
Compute descriptive statistics for each stock and the S&P 500. Comment on your results. Which stocks are the most volatile? Compute the value of beta for each stock. Which of these stocks would you expect to perform best in an up market? Which..
Plot the data, fit a trend line, and discuss the strength of prediction of the regression model.
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