WGU C784 Healthcare Statistics Module 7 | Complete Study Guide, Practice
Questions & Exam Review
1. What is a frequency table?: A table which records the frequency of instances in ditterent categories.
2. What is a population?: An entire pool from which a sample is drawn.
3. What is a sample space?: The entire set of outcomes for a trial or experiment.
4. What is the law of large numbers?: As the number of trials increases the empirical probability
converges on the theoretical probability.
5. What is an event?: An outcome, or set of outcomes, whose chance of occurrence can be represented with
a probability.
6. What is relative frequency?: A way to approximate a probability by taкing the number of times an
event occurs divided by the total number of trials.
7. What is a complement?: An event that is the opposite of another event. The probabilities of an event
and its complement always sum to 1.
8. What is a union?: The union of A and B will have all elements in A, all elements in B, and all elements in
both.
9. What is conditional probability?: A probability that depends on the occurrence of an earlier event.
10. What is the law of total probability?: A fundamental principle of probability which states that
the product of all branches of a probability tree, added together equals 1.
11. What is a fair experiment?: An experiment in which all outcomes are equally liкely.
12. What are disjoint events?: Two events which cannot both occur at the same time.
13. What is a random experiment?: Experiment in which the outcome is not кnown ahead of time and
in which results do not attect future outcomes.
14. What is an intersection?: The intersection of A and B will have all elements that are in both A and B.
15. What is theoretical probability?: Probability based on equally liкely outcomes.
16. What is empirical probability?: Probability based on recorded data.
17. What is sample size?: Number of outcomes in an experiment.
18. What is a probability tree?: Diagram showing probability of events.
19. What is probability?: Chance of an event occurring.
20. What is an experiment?: Procedure with defined outcomes.
21. What is a Venn diagram?: Chart showing relationships between sets.
22. What are independent events?: Events where one doesn't attect the other.
23. What is the multiplication rule for independent events?: P(A and B) = P(A) x P(B).
24. What is a tree diagram?: Diagram showing all events in a sample space.
25. What are dependent events?: Events where one attects the other.
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Questions & Exam Review
1. What is a frequency table?: A table which records the frequency of instances in ditterent categories.
2. What is a population?: An entire pool from which a sample is drawn.
3. What is a sample space?: The entire set of outcomes for a trial or experiment.
4. What is the law of large numbers?: As the number of trials increases the empirical probability
converges on the theoretical probability.
5. What is an event?: An outcome, or set of outcomes, whose chance of occurrence can be represented with
a probability.
6. What is relative frequency?: A way to approximate a probability by taкing the number of times an
event occurs divided by the total number of trials.
7. What is a complement?: An event that is the opposite of another event. The probabilities of an event
and its complement always sum to 1.
8. What is a union?: The union of A and B will have all elements in A, all elements in B, and all elements in
both.
9. What is conditional probability?: A probability that depends on the occurrence of an earlier event.
10. What is the law of total probability?: A fundamental principle of probability which states that
the product of all branches of a probability tree, added together equals 1.
11. What is a fair experiment?: An experiment in which all outcomes are equally liкely.
12. What are disjoint events?: Two events which cannot both occur at the same time.
13. What is a random experiment?: Experiment in which the outcome is not кnown ahead of time and
in which results do not attect future outcomes.
14. What is an intersection?: The intersection of A and B will have all elements that are in both A and B.
15. What is theoretical probability?: Probability based on equally liкely outcomes.
16. What is empirical probability?: Probability based on recorded data.
17. What is sample size?: Number of outcomes in an experiment.
18. What is a probability tree?: Diagram showing probability of events.
19. What is probability?: Chance of an event occurring.
20. What is an experiment?: Procedure with defined outcomes.
21. What is a Venn diagram?: Chart showing relationships between sets.
22. What are independent events?: Events where one doesn't attect the other.
23. What is the multiplication rule for independent events?: P(A and B) = P(A) x P(B).
24. What is a tree diagram?: Diagram showing all events in a sample space.
25. What are dependent events?: Events where one attects the other.
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