statistical tests

Question 1

What is nominal data?

Answer 1

Data in CATEGORIES. It is discrete as only 1 item can appear in 1 category.

E.g. you did or did NOT conform to a test.

Question 2

What is ordinal data?

Answer 2

Data ordered in SOME way. Does NOT have equal intervals between each unit. LACKS precision.

E.g. rating scales.

Question 3

what is interval data?

Answer 3

Based on NUMERICAL scales. units of EQUAL and precisely defined size.

E.g. science measures, time, temp, heart rate.

Question 4

what are the 9 stat tests?

Answer 4

Chi-squared
Sign test
Chi-squared (association.)
Mann-whitney
Wilcoxon
Spearmans rho
Unrelated t-test
Related t-test
Pearsons r