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Intro to Stats
Test Review 3
12
Mathematics
Undergraduate 1
12/08/2012

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Cards

Term
Symbols for parameters
Definition
P, μ, δ
Term
Symbols for statistics
Definition

^  -

    p, X, s

Term
Rejecting Ho
Definition
When p-value is < α
Term
Not Rejecting Ho
Definition
When p-value is > α
Term
Unbiased Estimator
Definition
Mean sampling distribution mean of population
Term
Conditions for 1-prop Z test
Definition

1. Random

2. Independent

3. n(p) ≥10

(1-p)n ≥10

4. N≥10(n)

Term
Conditions for 2-prop Z Test
Definition

1. Random

2. Independent of the whole thing & each other

3. sample size 

Term
Conditions for t-test
Definition

1. Random

2. Independent

3. Either normally distributed or n≥25

Term
Conditions for Chi-squared Test
Definition

1.Random

2.Independent

3.Expected counts ≥5

Term
Key words for a CLT of means problem
Definition
Find the probability that....
Term
α definition
Definition
The probability of rejecting Ho when Ho is true
Term
P-value definition
Definition
Probability (...) that if this experiment were repeated the test statistic would be extreme or as extreme. 
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