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1. Suppose that the dimension of an assembly has to be within certain tolerances. Discuss how tolerances could be set for the components given that the difference between two component dimensions comprises this assembly dimension. Assume that the inherent variability of each component is equal.
2. Discuss the importance of identifying an appropriate distribution of the quality characteristic in process capability analysis. Address this in the context of waiting time for service in a fast-food restaurant during lunch hour.
a sample of 45 observations is selected from a normal population. the sample mean is 49 and the population standard
a random sample of 100 preschool children revealed that only 60 had been vaccinated. provide an approximate two-sided
Refer to Exercise 9.10. After the least squares line has been obtained, the table below (which is similar to Table 9.4) can be used for (1) comparing the observed and the predicted values of y, and (2) computing SSE.
consider a sample and let for where c is some specified number. give a general argument to show that the sample
general population is skewed to the right the meand degree of affection is 60 standard deviation is 16. sample 100
The function s(t) = ut + 1/2 gt^2 represents the distance traveled s meters in time t seconds when the initial velocity is u m/s and acceleration is g m/s^2.
assume that a procedure yields a binomial distribution with a trial repeated n times. use the binomial probability
he Department of Motor Vehicles (DMV) can service customers at a rate of 20 per hour (or 1/3 per minute) when it comes to license renewals. The service time follows an exponential distribution.
prices of toasters you took a random sample of 18 two-slice toasters and found the mean price was 65.49 and the
Find a point estimate of the population standard deviation. (Consider using the fillhandle here.) How do the 10 point estimates of the population mean compare to the actual population mean
Determine a 95% confidence interval for true time battery pack can function before having to be recharged.
Which player has scored more on an average? Which player is more consistent in his performance. Claculate mean deviation from the median for the following data.
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