Probability & Statistics Review

Question 1

What type of sampling method is this?

Accepted Answer

Cluster Sampling

Question 2

Name the problem(s) with the data collection scenario below:

Accepted Answer

Time

Question 3

Choose the best answer for the question below.

Accepted Answer

Stratified Random

Question 4

Choose the correct type of probability based on the scenario below:

Accepted Answer

Experimental Probability

Question 5

What type of sampling does the image best represent?

Accepted Answer

Stratified Random

Question 6

What type of sampling method is this?

Accepted Answer

Systematic (Interval) Sampling

Question 7

Choose the correct type of probability for the following scenario:

Accepted Answer

Subjective Judgement

Question 8

Name the problem(s) with the data collection scenario below:

Accepted Answer

Ethics

Question 9

Name a problem with the following data collection method:

Accepted Answer

Timing

Question 10

What type of sampling method is this?

Accepted Answer

Self-Selected

Question 11

What type of sampling method is this?

Accepted Answer

Convenience Sampling

Question 12

Choose the correct type of probability for the scenario below:

Accepted Answer

Experimental Probability

Question 13

The wheel of fortune wheel has 24 large sections. What is the probability of the wheel stopping on "Million"?

Accepted Answer

1/72

Question 14

What types of samples often have a bias that affects the accuracy of the results? Choose the best answer.

Accepted Answer

Both Self-Selected and Convenience

Question 15

Choose the correct type of probability based on the scenario below:

Accepted Answer

Theoretical Probability

Question 16

When is it appropriate to conduct a census?

Accepted Answer

Both of the above.

Question 17

Name the problem(s) with the data collection scenario below:

Accepted Answer

Bias and Use of Language

Question 18

Name a problem with the following data collection question:

Accepted Answer

Use of Language

Question 19

The wheel of fortune wheel has 24 sections. What is the probability of landing on "Lose a Turn"? (Nearest %)

Accepted Answer

4%

Question 20

What is the theoretical probability of a coin landing on heads, twice in a row?

Accepted Answer

1/4

Questions 20