Week 8 - Statistics And Probability

Question 1

What is the Dora framework?

Answer 1

1. Displaying data
2. Organising and reducing data
3. Reading data displays
4. Analysing and interpreting data

Question 2

Key probability concepts

Answer 2

Randomness

Likelihood of events occurring

Experimental probability

Theoretical probability

Question 3

Randomness

Answer 3

Lack of a predictable order or observable regularity in events

Question 4

Likelihood of events occurring

Answer 4

Impossible, possible, certain, most likely, slim chance

Question 5

Experimental probability

Answer 5

Probability that arises from an experiment

Ditermined by

Number of likely outcomes in the event divided by number of trials conducted

Question 6

Theoretical probability

Answer 6

Based on an analysis of the sample space

Number of likely outcomes in the event divided by number of possible outcomes

Question 7

How to represent probability

Answer 7

Tree diagrams

Tables

Computer simulations