5. Chi-squared Test Flashcards
1
Q
when can the chi-squared test be used?
A
when you are establishing and comparing frequencies
2
Q
what are chi-squared tests used for?
A
- genetic cross experiments
- choice chamber behavioural studies
- counts of the number individuals of species
3
Q
what is the expected phenotypic ratio regarding homozygous dominant and recessive parents during a genetic cross experiment?
A
3:1
4
Q
when can you reject the null hypothesis?
A
as there is less than 5% probability which means that the difference between the observed and expected values are due to chance
