Applied Statistics and Probability for Engineers 6th Edition solutions

Applied Statistics and Probability for Engineers 6
Using the regression from Exercise 11-1, 1. Find a 95% confidence interval for the slope. 2. Find a 95% confidence interval for the mean percent body fat for a man with a BMI of 25. 3. Find a 95% prediction interval for the percent body fat for a man with a BMI of 25. 4. Which interval is wider, th

Applied Statistics and Probability for Engineers 6
Using the regression from Exercise 11-2, 1. Find a 95% confidence interval for the slope. 2. Find a 95% confidence interval for the mean weight for a man 25 years old. 3. Find a 95% prediction interval for the weight of a 25 year old man. 4. Which interval is wider, the confidence interval or the

Applied Statistics and Probability for Engineers 6
Refer to the data in Exercise 11-3 on \(y=\text { intrinsic permeability of concrete }\) and \(x=\text { compressive strength }\). Find a 95% confidence interval on each of the following: 1. Slope 2. Intercept 3. Mean permeability when \(x=2.5\). 4. Find a 95% prediction interval on permeability w

Applied Statistics and Probability for Engineers 6
Exercise 11-4 presented data on roadway surface temperature x and pavement del ection y. Find a 99% confidence interval on each of the following: 1. Slope 2. Intercept 3. Mean deflection when temperature \(x=85^{\circ} \mathrm{F}\) 4. Find a 99% prediction interval on pavement defection when the t

Applied Statistics and Probability for Engineers 6
Refer to the NFL quarterback ratings data in Exercise 11-5. Find a 95% confidence interval on each of the following: 1. Slope 2. Intercept 3. Mean rating when the average yards per attempt is 8.0 4. Find a 95% prediction interval on the rating when the average yards per attempt is 8.0.

Applied Statistics and Probability for Engineers 6
Refer to the data on \(y=\text { house selling price }\) and \(x=\text { taxes paid }\) in Exercise 11-6. Find a 95% confidence interval on each of the following: 1. \(\beta_{1}\) 2. \(\beta_{0}\) 3. Mean selling price when the taxes paid are \(x=7.50\) 4. Compute the 95% prediction interval for se

Applied Statistics and Probability for Engineers 6
Exercise 11-7 presented data on \(y=\text { steam usage }\) and \(x=\text { monthly average temperature }\). 1. Find a 99% confidence interval for \(\beta_{1}\) 2. Find a 99% confidence interval for \(\beta_{0}\) 3. Find a 95% confidence interval on mean steam usage when the average temperature is

Applied Statistics and Probability for Engineers 6
Exercise 11-8 presented gasoline mileage performance for 21 cars along with information about the engine displacement. Find a 95% confidence interval on each of the following: 1. Slope 2. Intercept 3. Mean highway gasoline mileage when the engine displacement is \(x=150\mathrm{\ in}^3\) 4. Constru

Applied Statistics and Probability for Engineers 6
Consider the data in Exercise 11-9 on y = green liquor \(\mathrm{Na}_{2} \mathrm{~S}\) concentration and x = production in a paper mill. Find a 99% confidence interval on each of the following: (a) \(\beta_{1}\) (b) \(\beta_{0}\) (c) Mean \(\mathrm{Na}_{2} \mathrm{~S

Applied Statistics and Probability for Engineers 6
Exercise 11-10 presented data on y = blood pressure rise and x = sound pressure level. Find a 95% confidence interval on each of the following: (a) \(\beta_{1}\) (b) \(\beta_{0}\) (c) Mean blood pressure rises when the sound pressure level is 85 decibels (d) Find a 95%

Applied Statistics and Probability for Engineers 6
Refer to the data in Exercise 11-11 on \(y=\text { wear volume of } \text { mild steel }\) and \(x=\text { oil viscosity }\). Find a 95% confidence interval on each of the following: 1. Intercept 2. Slope 3. Mean wear when oil viscosity \(x=30\) Equation Transcription: Tex

Applied Statistics and Probability for Engineers 6
Exercise 11-12 presented data on chloride concentration y and roadway area x on watersheds in central RhodeIsland. Find a 99% confidence interval on each of the following: 1. \(\beta_{1}\) 2. \(\beta_{0}\) 3. Mean chloride concentration when roadway area \(x=1.0 \%\) 4. Find a 99% prediction interv

Applied Statistics and Probability for Engineers 6
Refer to the data in Exercise 11-13 on rocket motor shear strength y and propellant age x. Find a 95% confidence interval on each of the following: (a) Slope \(\beta_1\) (b) Intercept \(\beta_0\) (c) Mean shear strength when age x = 20 weeks (d) Find a 95% prediction interval on shear

Applied Statistics and Probability for Engineers 6
Refer to the data in Exercise 11-14 on the microstructure of zirconia. Find a 95% confidence interval on each of the following: 1. Slope 2. Intercept 3. Mean length when \(x=1500\) 4. Find a 95% prediction interval on length when \(x=1500\) Explain why this interval is wider than the interval in p

Applied Statistics and Probability for Engineers 6
Refer to the data in Exercise 11-15 on oxygen demand. Find a 99% confidence interval on each of the following: (a) \(\beta_1 \) (b) \(\beta_0 \) (c) Find a 95% confidence interval on mean BOD when the time is eight days.