Refer to the analysis of car buyers in Exercise. (a) Suppose the distribution of the ages of

Question:

Refer to the analysis of car buyers in Exercise.
(a) Suppose the of the ages of the buyers of the Cadillac Escalade is skewed. Does this affect the use of a normal model as the sampling How skewed can the data become without preventing use of the t-test?
(b) The of the ages of these buyers is in fact bimodal, with one group hovering near 30 and the other at 60+. How does this observation affect the test?
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...