A sample statistic such that the mean of all its possible values ...

[lracut11]

A sample statistic such that the mean of all its possible values equals the population parameter the statistic seeks to estimate is an unbiased estimator.
 
  Indicate whether the statement is true or false

Question 2

When testing for the difference between two population variances with sample sizes of n1 = 10 and n2 = 12, what is (are) the number (s) of degrees of freedom?
 
  A) 10 and 12
  B) 9 and 11
  C) 22
  D) 20

[poopface]

Answer to Question 1

TRUE

Answer to Question 2

B

[lracut11]

Thanks for the timely response, appreciate it

[peter]

Wow, this really help