An unbiased estimator is a sample statistic whose expected value ...

[james]

An unbiased estimator is a sample statistic whose expected value equals the population parameter.
  Indicate whether the statement is true or false

Question 2

The confidence interval estimate of the expected value of y for a given value x, compared to the prediction interval of y for the same given value of x and confidence level, will be:
 a. wider.
  b. the same.
  c. narrower.
  d. impossible to know.

[amanda_14]

Answer to Question 1

T

Answer to Question 2

C

[james]

Thanks for the timely response, appreciate it

[lindahyatt42]

Excellent