# Question

More computer chips: Using the data in Exercise 3:

a. Find the sample variance of the thicknesses for each process.

b. Find the sample standard deviation of the thicknesses for each process.

c. Which process appears to be better in producing a uniform thickness? Explain.

a. Find the sample variance of the thicknesses for each process.

b. Find the sample standard deviation of the thicknesses for each process.

c. Which process appears to be better in producing a uniform thickness? Explain.

## Answer to relevant Questions

Stock prices: Following are the closing prices of Microsoft stock for each trading day in May and June 2013. a. Find the mean and median price in May. b. Find the mean and median price in June. c. Does there appear to be a ...The U. S. Department of Labor annually publishes an Occupational Outlook Handbook, which reports the job outlook, working conditions, and earnings for thousands of different occupations. The handbook reports both the mean ...Delete outliers as appropriate, and compute the mean thickness for new and for recycled wafers. Interpret technology: The following display from the 11-84 Plus calculator presents the results from computing a least-squares regression line. a. Write the equation of the least-squares regression line. b. Predict the value ...The following table presents the number of years of study in English and language arts and the average SAT writing score for students who took the 2008 SAT exam. a. Compute the least-squares regression line for predicting ...Post your question

0