Author Question: Incomes of workers in an automobile company in Michigan are known to be right - skewed with a mean ... (Read 51 times)

jenna1 · **on:** Jul 24, 2018

Incomes of workers in an automobile company in Michigan are known to be right - skewed with a mean equal to 36,100 . If at least 8/9 of all incomes are in the range of 29,600 to 42,800, and this was based on Tchebysheff's Theorem, what is the standard deviation for the auto workers?
a. 6,500
b. 6,700
c. Approximately 4,755
d. 2,200
e. 2,600

Question 2

Explain why studies involving identical twins result in dependent samples of data.

nixon_s · **Reply #1 on:** Jul 24, 2018

Answer to Question 1

D

Answer to Question 2

Identical twins are so much alike that the information obtained from one would not be independent from the information obtained from the other twin.