Lesson 1

Question 1

What is statistics?

Answer 1

The art of interpreting data and assigning meaning to numbers.

Question 2

What is the difference between continuous and discrete data?

Answer 2

Continuous data can assume any value, and discrete variables are categorised and only can hold certain values.
Continuous = measured, while discrete is counted.

Question 3

Give an example of a continuous variable.

Answer 3

The time it takes to run 400m.

Question 4

Give an example of a discrete variable.

Answer 4

The number of days it rained in a month.

Question 5

What is the difference between interval and ratio levels of measurement?

Answer 5

Both have equal intervals between values but a score of zero in interval level does not mean anything.

Question 6

What are the two different ways a quasi-experiment designs can be done?

Answer 6

1) The experiment is set up where there is a control group.

2) The same variable is measured multiple times.

Question 7

Give an example of quasi-experiment designs.

Answer 7

1) seeing the effect a new diet will have on mice populations. Control group = mice that were not fed this diet.
2) Measuring the behaviour of mice on this new diet every three months.