Inferential Tests

Question 1

What are descriptive statistics?

Answer 1

measures of central tendency and measures of dispersion summarise and describe the raw data researchers have collected from their sample

Question 2

What are inferential statistics?

Answer 2

use the data collected from the sample to make inferences about the behaviour of the entire target population

Question 3

What is probability ?

Answer 3

researchers test the data they collect from the sample to assess the probability these results are due to chance variation if the likelihood of the results occurring due to chance is less than 1 in 20 (P=<0.05) then the results are judged to be significant the alternate hypothesis is accepted and null hypothesis is rejected

Question 4

Norminal and related data?

Answer 4

Sign test

Question 6

Ordinal and related data ?

Answer 6

Wilcoxon

Question 7

Interval and related data ?

Answer 7

Related t test

Question 8

Unrelated data and nominal?

Answer 8

Chi squared test

Question 9

Ordinal and unrelated data ?

Answer 9

Mann Whitney

Question 10

Interval and unrelated data?

Answer 10

Unrelated t test b

Question 11

Correlation and nominal?

Answer 11

Chi squared

Question 12

Ordinal and correlation ?

Answer 12

Spearman’s rho

Question 13

Interval and correlation?

Answer 13

Pearson r