The heights of a random sample of 50 college students showed a mean of 174.5 centimeters and a standard deviation of 6.9 centimeters. (a) Construct a 98% condence interval for the mean height of all college students. (b) What can we assert with 98% condence about the possible size of our error if we estimate the mean height of all college students to be 174.5 centimeters?

Assignment # 2 STA 5205, 5126 and 4202 Date: Monday, October 5, 2015 This assignment is based on Chapters 3 and 4. You must show all necessary work to get full credit. Please submit your assignment in due time. Some selected questions will be graded. Pl keep 1” margin in all sides of the paper. You must define both null and alternative hypotheses for any test related...