11-41. Refer to the data in Exercise 11-12 on rocket motor shear strength y and propellant age x. Find a 95% confidence interval on each of the following: (a) Slope 1 (b) Intercept 0 (c) Mean shear strength when age x 20 weeks (d) Find a 95% prediction interval on shear strength when age x 20 weeks.

Math 1070 – Elementary Statistics Lecture notes prepared by Dr. Leslie Meadows (Coordinator Math 1070 and GSU Commons MILE) based on the texts: Elementary Statistics coordinating PowerPoint Slides.n for Math1070; Georgia State University and Elementary Statistics; Eleventh Edition. Mario F. Triola, and Chapter 2 – Summarizing and Graphing Data 2-2 – Frequency Distributions Definition A...