Probability Flashcards
1
Q
What is probability?
A
A numerical measure of the likelihood that certain events will occur
2
Q
What is a null hypothesis?
A
An assumption that there is no relationship in the population from which a sample is taken with respect to the variables being studied
3
Q
What is an alternative hypothesis?
A
A testable statement about the relationship between two or more variables
4
Q
What is a type I error?
A
When a researcher rejects a null hypothesis that is true
5
Q
What is a type II error?
A
When a researcher accepts a null hypothesis that is not true