Saptamana cinci Flashcards
1
Q
When do you use chi squared?
A
Used with categorical variables: groups e.g gender
Cannot use with continuous variables: something that you measure on a line or a scale -age, height
2
Q
What is the design?
A
between participants - independent
3
Q
Does test use mean or standard deviation?
A
No because we are doing a frequency - a tally of how many in each group
4
Q
What does chi squared do?
A
Comparison of expected frequencies to observed frequencies
Is the difference between observed and expected statistically significant
