Shared Flashcard Set

Details

Ch 5
good
10
Mathematics
Undergraduate 1
03/19/2012

Additional Mathematics Flashcards

 


 

Cards

Term
Uniform (Rectangle)
Definition
All values within the range of possible values are equally likely to occur.
Term
Uniform (Rectangle) μ=
Definition
 (a+b)/2


where µ is the mean or “expected” value
Term
Uniform (Rectangle) varience =
Definition
(b-a)^2/12
Term
what is the most widely used distribution in statistics?
Definition
Normal
Term
Z =
Definition
(x - μ)/ σ
Term
Steps for finding normal probabilities with x known.
Definition
1. Sketch
2. z score for values of x
3. use table to find corresponding areas
Term
Steps for finding normal probablities with probabilities known.
Definition
1. sketch
2. determine areas
3. x = μ + Z * σ
Term
Sampling Distribution of the Mean
Definition
Z= x bar-μ bar/(σ/\sqrt(n))
Term
Sampling Distribution of the Proportion
Definition
(p-pi)/\sqrt(pi*(1-pi))/n
Term
Sampling Distribution of the Proportion pi =
Definition
mean
Supporting users have an ad free experience!