Unit Test #57 Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

When a sample is chosen from a population and every member of the population has an equal chance of being selected it is called: A. a census
B. a biased sample
C. a random sample
D. a popular sample

Answer 1:

 

 

Q2:

 

How often is a CENSUS held in Australian and New Zealand? A. Every three years 
B. Every hundred years
C. Every year
D. Every five years

Answer 2:

 

 

Q3:

 

A survey which covers every member of a population is called A. a random sample
B. a biased sample
C. a census
D. an election

Answer 3:

 

 

Q4:

 

True or false?

In a random sample every member of the population has the same chance of being selected.

A. True
B. False

Answer 4:

 

 

Q5:

 

True or false?

In a Lotto draw, the seven balls chosen form a random sample of the 40 balls?

 
A. True
B. False

Answer 5: