Consider a population of five weights identical in appearance but ...

[Zulu123]

Consider a population of five weights identical in appearance but weighing 1, 3, 5, 7, and 9 ounces.
 a. Determine the mean and the variance of the population.
  b. Sampling without replacement from the above population with a sample size of 2 produces ten possible samples. Using the ten sample mean values, determine the mean of the population and the variance of .
  c. Compute standard deviation from the mean computed in (b) above.

Question 2

The forward selection procedure starts with _____ independent variable(s) in the multiple regression model.
 a. no
 b. one
  c. two
  d. all

[Liamb2179]

Answer to Question 1

a. 5 and 10
b. 5 and 3
c. 1.732

Answer to Question 2

a

[Zulu123]

Wow, this really help

[cici]

Gracias!