choosing a stats test

Question 1

What is levels of measurement?

Answer 1

Nominal, ordinal or interval

Question 2

What is statistical tests?

Answer 2

Used in psychology to determine whether a significant difference or correlation determining whether the null hypothesis should be rejected or retained

Question 3

What is nominal data?

Answer 3

Data is represented in the form of categories
- Discrete

Question 4

What can nominal data be referred to?

Answer 4

Categorical data

Question 5

What is ordinal data?

Answer 5

Ordered in some way
- Does not have equal intervals between each unit

Question 6

What does ordinal data lack in?

Answer 6

Precision as based on subjective opinion

Question 7

What is interval data?

Answer 7

Based on numerical scale with equal intervals between each unit
Public scales of measurements
Precise and sophisticated form of data

Question 8

What is the relation to nominal data to measures of central (CT) tendency and dispersion (D)?

Answer 8

Mode for CT
- N/A for D

Question 9

What is the relation to ordinal data to measures of central (CT) tendency and dispersion (D)?

Answer 9

Median for CT
- Range for D

Question 10

What is the relation to interval data to measures of central (CT) tendency and dispersion (D)?

Answer 10

Mean for CT
- Standard deviation for D