True or false: sampling distributions

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   A bigger sample gives a smaller standard error.

2. Statement is true

   No

   Statement

   The theorem only works for normal populations.

3. Statement is true

   Yes

   Statement

   A skewed population needs a larger sample.

4. Statement is true

   Yes

   Statement

   Standard deviation is the square root of variance.

5. Statement is true

   No

   Statement

   The sample mean drifts away from the true mean.

Instructions

Tap True or False for each statement.

Explanation