Questions from Engineering Statistics

Q: Using the value of s2 found in Exercise 11.16(

Using the value of s2 found in Exercise 11.16(a), construct a 95% confidence interval for μY |85 in Exercise 11.2 on page 398. Exercise 11.16: With reference to Exercise 11.2 on page 398, (a) evalua...

Q: With reference to Exercise 11.6 on page 399, use

With reference to Exercise 11.6 on page 399, use the value of s2 found in Exercise 11.18(a) to compute (a) a 95% confidence interval for the mean shear resistance when x = 24.5; (b) a 95% prediction i...

Q: Using the value of s2 found in Exercise 11.17(

Using the value of s2 found in Exercise 11.17(a), graph the regression line and the 95% confidence bands for the mean response μY |x for the data of Exercise 11.5 on page 398. Exercise...

Q: Using the value of s2 found in Exercise 11.17(

Using the value of s2 found in Exercise 11.17(a), construct a 95% confidence interval for the amount of converted sugar corresponding to x = 1.6 in Exercise 11.5 on page 398. Exercise 11.17: With ref...

Q: With reference to Exercise 11.3 on page 398, use

With reference to Exercise 11.3 on page 398, use the value of s2 found in Exercise 11.19(a) to compute (a) a 99% confidence interval for the average amount of chemical that will dissolve in 100 grams...

Q: Consider the regression of mileage for certain automobiles, measured in miles

Consider the regression of mileage for certain automobiles, measured in miles per gallon (mpg) on their weight in pounds (wt). The data are from Consumer Reports (April 1997). Part of the SAS output f...

Q: There are important applications in which due to known scientific constraints,

There are important applications in which due to known scientific constraints, the regression line must go through the origin (i.e., the intercept must be zero). In other words, the model should read...

Q: Use the data set / (a)

Use the data set (a) Plot the data. (b) Fit a regression line through the origin. (c) Plot the regression line on the graph with the data. (d) Give a general formula (in terms of the yi and the slop...

Q: The amounts of a chemical compound y that dissolved in 100 grams

The amounts of a chemical compound y that dissolved in 100 grams of water at various temperatures x were recorded as follows: (a) Find the equation of the regression line. (b) Graph the line on a sc...

Q: For the data in Exercise 11.29, find a 95

For the data in Exercise 11.29, find a 95% prediction interval at x = 25.