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Listed below is the net sales in $ million for Home Depot, Inc. and its subsidiaries from 1993 to 2002.
Year Net Sales1993 9,2391994 12,4771995 15,4701996 19,5351997 24,1561998 30,2191999 38,4342000 45,7382001 53,5532002 58,247
Determine the least squares equation. On the basis of this information, what are the estimated sales for 2005?
A firm engaged in manufacturing undergarments for gents employs 100 male and 144 female workers. The average production per day of a male worker is 60 items with a variance of 15 items, and that of a female workers is 65 items with a variance of 1..
Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?
what sample size should be used in the funding decision study? Use σ = $4000 as a planning value. ________________
Determine the probability of choosing at random license plate which ends in the even number?
The mean time to download an Google video is 1 minute 30 seconds. Suppose the download time is normally distributed with standard deviation of 20 seconds.
In both cases, give a number of data points, n, and a correlation coefficient, r. Draw a number of data points, n, and a correlation coefficient, r. Tell whether the correlation is significant at 0.05 or 0.01 level, explain.
Discuss three measures of central tendency for the dependent variable. Is this distribution skewed? If so, in what direction? Explain your answer. Why would you NOT attempt to determine the central tendency of the independent variables?
Bougainvilleas, mean growth rate was 2.23 inches/week and sample standard deviation was 0.77 inches/week. Determine a 90% confidence interval for mean growth rate of all Bougainvilleas.
CCI is unable to adjust the mean of the filling process. However, it is able to adjust the standard deviation of the filling process.
A random sample of 7 students selected from a large class revealed the following scores: midterm 70, 62, 57, 68, 89, 63, 82 and on the final 80, 79, 87, 88, 85, 79, 91. Is there evidence of an improvement on the final?
How should he go about taking samples to gather data for testing the hypotheses?
If alternate hypothesis mention that m doesn't equal 4,000, determine the rejection region for the hypothesis test?
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