AP Stats Chapter 19-20

PANIC and PHANTOMS Acronyms

P

P

population → state what/who is being studied

parameter → p and what p represents

A

Assumptions and Conditions → things that must be met to correctly conduct the procedure

N

Name the inference procedure → 1-proportion z-interval or 1-proportion z-test

I

Interval needs to be calculated → calculator command

C

Conclusion in context → “Based on my sample…”

H

List Null and Alternative Hypothesis →

H0 = what hypothesis population proportion is

HA = statement challenging the null based on your sample

T

Test statistic→ List your z-score

O

Obtain a P-value → probability of sample from calculator/formula

M

Make a decision about the null →

p < alpha, reject the null hypothesis

p > alpha, fail to reject the null hypothesis

S

State Conclusion about the alternative hypothesis in context → “Based on my sample, I do/do not have strong evidence…”