9.1-9.4 Zijlstra

Question 1

Hypothesis

Answer 1

Statement about a population, usually claiming that a parameter takes a particular numerical value or falls in a certain range of values

Question 2

Steps to significance test

Answer 2

1. Assumptions
2. Hypothesis
3. Test statistic
4. P-value
5. Conclusion

Question 3

Null hypothesis

Answer 3

Statement that the parameter takes a particular value (no effect)

Question 4

Alternative hypothesis

Answer 4

States that the parameter falls in some alternative range of values

Question 5

Test statistic

Answer 5

The parameter to which the hypothesis refer has a point estimate. The test statistic describes how far that point estimate falls from the parameter value given in the null hypothesis

Question 6

P-value

Answer 6

The probability that the test statistic equals the observed value or a value even more extreme. It is calculated by presuming that the H0 is true.