MC: Hypothesis Testing (II)

Question 1

What is a P-Value the probability of?

Answer 1

Getting the test statistic (or result more extreme) if the null hypothesis were true.

Question 2

P-Value is the smallest level of significance at which ________.

Answer 2

The null can be rejected.

Question 3

If p-value is less than the significance level, you ______ the null hypothesis.

Answer 3

REJECT

Question 4

Details for calculating difference between means with independent samples from different distribution.

Answer 4

Question 5

What is the equation for pooled variance?

Answer 5

Question 6

Details for calculating difference between means with dependent samples from related distributions.

Answer 6

Question 7

When testing a single variance, what are the details of the calculation?

Answer 7

Question 8

When testing a variance between two variables, what are the details of the calculation?

Answer 8

Question 9

What is a parametric test based on?

Answer 9

Based on assumptions about population distributions & population parameters(ie. t-test, z-test, f-test)

Question 10

What is a non-parametric test?

Answer 10

Non parametric tests make few if any assumptions about the population distribution, and test things other than parameter values. (ie.runs tests, rank correlation tests)