LS10 - Factors Affecting Choice Of Test

Question 1

Level Of Measurement

Answer 1

Nominal
Ordinal
Interval

Question 2

Nominal

Answer 2

Data consists of the numbers of participants that mgiht fall into different categories, and a person can be placed in one category and only one e.g. are you female or male.

Question 3

Ordinal

Answer 3

Data can be placed in rank order from lowest to highest. The ordinal scale can consist of measurements that are of unequal intervals, the data concerns the order it can be placed in e.g. the order from lowest to highest in terms of how quickly participants finished a 100 metre race.

Question 4

Interval

Answer 4

The data has fixed and even intervals, throughout the range e.g. height and weight.

Question 5

Which Statistical Test To Use

Answer 5

Could Simran Come Make White Sauce Under Rahjun’s Pasta

Look At The Table For Headings

Question 6

Parametric Tests Vs Non-Parametric Tests

Answer 6

Parametric tests are more robust and powerful than non-parametric tests. They rely on the actual daat collected rather than just examining the rank order of the data. Parametric tests are also more likely to detect if the data is significant or not.