The number of different simple random samples of size 5 that can ...

[karlynnae]

The number of different simple random samples of size 5 that can be selected from a population of size 8 is
 a. 40
   b. 336
   c. 13
   d. 56

Question 2

The following estimated regression equation was developed relating yearly income (y in 1000s) of 30 individuals with their age (x1) and their gender (x2) (0 if male and 1 if female). y = 30 + .7x1 + 3x2 Also provided are SST = 1200 and SSE = 384 . The multiple coefficient of determination is
 a. .32.
  b. .42.
  c. .68.
  d. .50.

[lorealeza77]

Answer to Question 1

d

Answer to Question 2

c