Hypothesis Tests for AP Stats

Front

What is the formula for 1 Sample Proportion Z-Test?

Back

Front

What is the formula for a 2 Sample Difference in Prop. Z-Test?

Back

Front

What is the formula to find p-combined and when do you need to calculate p-combined?

Back

Front

What is the large count condition for proportions?

Back

np ≧ 10 and n(1-p) ≧ 10,

if you don't know the population proportion use p-hat = x/n

Front

What is the formula for 1 Sample Means t-Test?

Back

Front

What is the formula for 2 Sample Difference in Means T-Test?

Back

Front

What is the formula for Matched-Pairs t-test?

Back

Front

What is the large counts condition for means?

Back

n ≧ 30, if not create a graph from data to check for any extreme skewness or outliers.

Front

How do you calculate a new p-value where the alternative hypothesis goes from a one-sided (> or <) to a two-sided (≠)?

Back

New P-Value = 2 * Old P-Value

Front

How do you calculate a new p-value going from two-sided to one-sided?

Back

New P-Value = 1/2 *(Old P-Value)