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Control charts for the outer diameter. A sample of 4 skateboard bearings is taken near the end of each hour of production. Given Table gives x and s for the first 21 samples, coded in units of 0.001 mm from the center of the specifications. The specifications allow a range of ±0.015 mm about the center (a range of -15 to +15 as coded).
(a) Make an s chart based on past data and comment on control of short-term process variation.
(b) Because the data are coded about the center of the specs, we have a given target μ = 0 (as coded) for the process mean. Make an x chart and comment on control of long-term process variation. What special x‾ -type cause probably explains the lack of control of x‾?
Elizabeth Bailey is the owner and general manager of Princess Brides, which provides a wedding planning service in Southwest Louisiana.
In addition, the cruise line has decided to plan for an additional 25% more meals than bookings. Formulate the appropriate linear program (Constraints and Objective Function only)
a manufacturer wants to increase the absorption capacity of a sponge. based on past data the average sponge could
Multiply matrix a by matrix b matrix a: row 1 = [0 1 2] row 2 = [-1 4 .5] row 3 = [1 3 0]
The main purpose of this exercise is to check your understanding of significance level, p-values and power .
Determine the point estimate of the population proportion, the margin of error for the following confidence interval and the number of individual in the same with the specified characteristics, x for the sample size provided.
the following data show the number of fruit fly killed at varying concentrations of nicotine.the number of ies killed
a.nbspthe random variable x is the number of siblings of a student selected at random from professor appiahs
What is the difference between the sal and compa measures of pay - What conclusions can you make about the issue of male and female pay equality?
q1. for this assignment you will be provided with 2 clinical research questions on sample size and one published paper
The accompanying data was extracted from the article "Effects of Cold and Warm Temperatures on Springback of Aluminum-Magnesium Alloy 5083- H111" (J. of Engr. Manuf., 2009: 427-431). The response variable is yield strength (MPa), and the predicto..
(1) You should start by running the same test he did in which he came to the decision that he could not conclude a difference. (2) Perform the test as it should have been done and find if you come to a different conclusion. (3) Explain why the result..
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