1. When is Pr(B)=Pr(B|A) for two events A and B? a. When A and B are independent events 2. positive predicative value is: The probability that a person has a disease given that the test is positive. (
Student's t-test
Use Student's t-test when you have one attribute variable and one measurement variable, and you want to compare the mean values of the measurement variable. The attribute variable mus
Homework 2
Quiz Section (10 Points)
1. When is Pr(B)=Pr(B|A) for two events A and B? _ _ 2. Explain in words what the positive predicative value is: _ _ _ 3. Describe what the positive predict
Statistics 371
Equation Summary (page 2)
Fall 2002
One-way ANOVA
Correlation Coefficient 1 n-1
n
k ni n
= = =
number of groups sample size of the ith sample combined sample size sample mean of