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The data from the drive quality tests conducted at DataStor over the past 150 shifts are contained in the file DATASTOR. The Data Description section contains a description of this data file.1. Has DataStor Company had a quality problem (4 returned shipments in 20 days)? Can the problem with unaccepted shipments simply be caused by random variation? What evidence leads you to your conclusion? Attach supporting evidence from your data analysis.
a 6-faced die is rolled two times. let a be the event that the outcome of the first roll is greater than 4. let b be
two cars leave towns 1000 kilometers apart at the same time and travel toward each other. one cars rate is 14
Generating at least $1500 in revenue and honoring all reservations. Formulate the LP model to determine how many Raft trips and how many Sailing lessons should be scheduled.
Assuming that the standard deviation is known to be 121.8Ib use 0.05 significance level to test the claim that the population mean of all such bear weights is greater than 150 Ib
An electric utility wishes to examine the relationship between temperature and electricity use in its service region during the summer months.
A random sample of 12 equal-sized stores is selected. Some calculations have been done for you: SSx = 400, SSy = 3.0025 and SSxy = 28. What is the value of the sample correlation coefficient?
The following indices: z, t, F, r, Chi square. Using the data below, show that analyses using each of the three statistics yields the same or similar outcomes.
chocolate-coated sugar fun blast cereal is filled in boxes by weight. the weight of the boxes is approximately normally
Customer requirements mean that the amount of product 3 produced should be related to the amount of product 2 produced - twice as many units of product 2 should be produced as product 3 over a week.
Explain the importance of random sampling. What problems/limitations could prevent a truly random sampling and how can they be prevented?
If you randomly select ten m&m's, what is the probability that exactly three of them are green?
the national center for health statistics reports that the mean systolic blood pressure for males 3 to 44 years of age
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