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Constructing a Pareto chart. Comparisons are easier if you order the bars in a bar graph by height. A bar graph ordered from tallest to shortest bar is sometimes called a Pareto chart, after the Italian economist who recommended this procedure. Pareto charts are often used in quality studies to isolate the "vital few" categories on which we should focus our attention. Here is an example.
Painting new auto bodies is a multistep process. There is an "electrocoat" that resists corrosion, a primer, a color coat, and a gloss coat. A quality study for one paint shop produced this breakdown of the main problem type for the quality of the paint jobs that did not meet the manufacturer's standards:
Make a Pareto chart. Which stage of the painting process should we look at first?
Do you think a linear model is appropriate for these data? Explain.- Interpret the slope in this context.- Can we interpret the intercept? Why or why not?
Find the parameters of a variable sampling plan, assuming the first of the two conditions is to be satisfied exactly. A random sample of 17 wafers yielded an average of 0.013 mm. Describe the decision regarding the lot based on Forms 1 and 2.
A bank has determined that the monthly balances of savings accounts of its customers are normaly distributed with an average balance of $1200 and standard deviation of $250.
Use the addition rule for two events (Rule 2) to find the probability that Julie will get at least one A between her English and history classes.
If an airplane has 180 seats and the airline books 195 people for the flight, what is the probability that there will be enough seats for everyone who shows up for the flight? (Please round your answer to 4 decimal places)
you are given the following information obtained from a random sample of 4 observations from a large normally
find the minimum sample size you should use to assure that your estimate of will be within the required margin of error
An electrician applied for a job in Long Harbour, Muskrat Falls, & Voisey's Bay. According to a local electrical contractor, the probability of getting a job at Long Harbour is 75%, inMuskrat Falls it's 42% and in Voisey's Bay it's 88%. Calculate ..
Input prices vary independently of output prices, and input price on a given day is the outcome of W with
If the top 15% of the test scores are usually good enough for admission to law school, find the cut off score for gaining admission.
raquet brand sample size sample mean sample st. deviationprince 150 980 1.5head 150 1005 21. does the data provide
assume that the number of customers who arrive at a water ice stan d follows the poisson distribution with an average
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