S7 - hypothesis testing Flashcards
(4 cards)
1
Q
hypothesis
A
a statement made about the value of a population parameter - can be tested by carrying out an experiment or taking a sample from the population
2
Q
test statistic
A
the statistic calculated from the sample
3
Q
null hypothesis (H0)
A
the hypothesis assumed to be correct
4
Q
alternative hypothesis (H1)
A
tells us about the parameter if your assumption is shown to be wrong