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Selecting the appropriate control chart and limits. At the present time, about 6 out of every 1000 lots of material arriving at a plant site from outside vendors are rejected because they do not meet specifications. The plant receives about 350 lots per week.
As part of an effort to reduce errors in the system of placing and filling orders, you will monitor the proportion of rejected lots each week. What type of control chart will you use? What are the initial center line and control limits?
a random sample is selected from a normal population with a mean of m 50 and a standard deviation of s 12. after a
1.a set of ten cards consists of five red cards and five black cards. the cards are shuffled thoroughly and i am given
as a statistician you are asked to give advice on designing a customer appreciation event for the bookstore. the
Should mean disposable income be used to predict sales based on the sample of 14 Sunflower stores? Are there any other factors not mentioned by the leasing agents that might be relevant to the store leasing decision?
Satellite Office Systems has vacancies for two executives that it will fill from among four women and six men. What is the probability that exactly one woman is selected?
Using a 2-month weighted moving average, with weights of 2 for the most recent month and 1 for the previous month develop forecasts sales for March to June inclusive.
a catalog company that receives the majority of its orders by telephone conducted a study to determine how long
The Bee line Café is well known for its popular homemade ice cream, which it makes in a small plant in back of the café. People drive long distance to buy the ice cream.
Can two distributions differ by a large amount yet have equal means and variances?- If a distribution is skewed, is it possible that the mean exceeds the .85 quantile?
After gaining an understanding from the video on secondary data, provide at least two public websites where we can get data for research. Here's one example. We can pull the unemployment rate for each state from the bureau of labor statistics. www..
a group of 5 boys and 15 girls is lined up in random order .a what is the probability that the person in the 4th
The following data summarize the comments of these individuals about the shampoo as well as provide the age group into which they fall and use the 5 percent level of significance, these data prove that different age groups have different opinions a..
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