8=D Flashcards
what are the 4 types of variables
- nominal
- ordinal
- Continuous
- discrete
What is quantitative and qualitative
quantitative: Data that can be measured and expressed in numbers
qualitative: Data that represents categories, labels, or characteristics. It does not involve numerical values for calculations.
what is a nominal variable and what “Q” is it?
Categories have no inherent order (Qualitative)
what is a Ordinal and what “Q” is it?
Categories have a meaningful order, but the differences between them are not uniform. (Qualitative)
what is a Discrete and what “Q” is it?
Any value, including decimals
Quantitative
what is a Continuous and what “Q” is it?
Whole numbers only
Quantitative
What is the dependent variable?
The dependent variable is what you measure to see if it changes based on the independent variable.
✅ Think of it as the “effect” in cause-and-effect.
what is State the null hypothesis?
lo contrario al otro hypotesis que hayas hecho
When do we use anova?
3 rows
when do we use t-test
2 rows
F > f-crit
= reject null
F < f-crit
fail to reject null
