GW 8 Flashcards
0
Q
What is a null hypothesis?
A
That the treatment has no change or effect on the population.
1
Q
What is a hypothesis test?
A
A statistical method using sample data to evaluate a hypothesis about a population
2
Q
What is the alternative hypothesis?
A
The treatment causes a change or effect on the population/dependent variable.
3
Q
The probability value that determines the start of highly unlikely values in a hypothesis test
A
Alpha level/Level of significance
4
Q
What is the critical region?
A
The area of extreme sample values very unlikely to occur if the null hypothesis is true. Area is determined by alpha level.