In stratified sampling with proportional sample sizes, the ...

[Metfan725]

In stratified sampling with proportional sample sizes, the proportion of each stratum selected differs from stratum to stratum.
 a. True
  b. False
   Indicate whether the statement is true or false

Question 2

The forecast error is the difference between:
 a. this period's value and the next period's value
  b. the average value and the expected value of the response variable
  c. the explanatory variable value and the response variable value
  d. the actual value and the forecast value

[karlss]

Answer to Question 1

FALSE

Answer to Question 2

d