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The data set drums. txt contains weights that were made on 30 drums of a chemical product. Weights were taken before the drums were filled (empty drum weight) and after the drums were filled (full drum weight).
(a) Construct a runs chart for the empty weight. Include a line at the average empty weight for reference and comment on the chart.
(b) Construct a runs chart for the full weight. Include a line at the average full weight for reference and comment on the chart.
(c) Construct a runs chart for the net weight. Include a line at the average and a line at the target of 411 and comment on the chart.
Assume the results of different games played in the series are independent of each other. Find the p.m.f. of the distribution of N := duration" of the baseball series.
How could you use the properties of the dot product to prove the following identities: (where u and v denote vectors in Rn) a) ||u + v||^2 + ||u-v||^2 = 2(||u||^2 + ||v||^2)
generate a chart or table that lists a variety of crimes types. your chart should include at least four types of crimes
For the following data set, indicate whether the shape of the distribution is normal, positively skewed, or negatively skewed. Provide evidence for your answer by calculating the mean, mode, and median.
the revenue in thousands of dollars from producing x units of an item is modeled by rx 10x - 0.001x2. find the average
Use a one-factor ANOVA to test the null hypothesis that population abundance is equal among these 6 species. Be sure to interpret your results and explain your reasons for declaring them significant or not significant. Use either Bartlett's test o..
suppose the reaction temperature x in acircdegc in a certain chemical process has a uniform distribution with a -8 and
1.a rbd on the number of insects was performed yielding the following table. test the constrast if insecticide 1 and 2
Determine whether each of the following is an experiment or an observational study. Also identify the explanatory and response variables.
What was the cost for the 10 percent of employees who incurred the highest dental expense?
Show your work and explain all results! Head width (cm) Biting force (grams/centimer2) 4.31 125.9 3.92 114.7 2.56 90.8 3.72 102.0 4.21 120.2 2.95 101.5 4.74 130.5 2.84 110.7 Imagine that you are examining the functional relationship between head w..
A Poisson distribution was fitted to data for the number of cars crossing a bridge in forty successive 6-minute intervals of time. The sample mean was calculated from the data to be ??¯ = 2.875 and this value was used as an estimate of the populat..
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