In the population of typical college students, = 75 on a statistics final exam (x =

Question:

In the population of typical college students, µ = 75 on a statistics final exam (σx = 6.4) .For 25 students who studied statistics using a new technique,
X = 72.1. Using two tails of the sampling and the .05 criterion:
(a) What is the critical value?
(b) Is this sample in the region of rejection?
How do you know?
(c) Should we conclude that the sample represents the population of typical students?
(d) Why?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...