Which statement about bias is true? I. Bias results from ...

[Pineapplelove6]

Which statement about bias is true?
 
  I. Bias results from random variation and will always be present.
  II. Bias results from a sampling method likely to produce samples that do not represent the population.
  III. Bias is usually reduced when sample size is larger.
  A) I and III only
  B) III only
  C) I only
  D) II and III only
  E) II only

Question 2

The numbers 27 and 47 are examples of
 
  A) class marks. B) class boundaries. C) class limits. D) class intervals.

[underwood14]

Answer to Question 1

E

Answer to Question 2

A

[Pineapplelove6]

Thank you!

[underwood14]

Always glad to help...