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MATH 1342 CHAPTER 11 HANDOUT S11

# MATH 1342 CHAPTER 11 HANDOUT S11 - TEST STATISTICS CRITICAL...

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TEST STATISTICS, CRITICAL VALUE AND P-VALUE FOR HYPOTHESIS TESTING OF TWO SAMPLES (CH11) TYPE OF TEST MEAN (μ) USING t-DISTRIBUTION USING INDEPENDENT SAMPLES MEAN (μ) USING t-DISTRIBUTION USING DEPENDENT SAMPLES NOTES All 1. Samples are independent when they can not be paired. 2. If testing that μ1=μ2 then μ1-μ2=0. 1. Samples are dependent when they can be paired. 2. Use ordered pairs to calculate the mean and std. dev. of the difference d ( d & d s ) 3. Testing 0 d μ = . TEST STATISTIC All 2-SampTTest Data to L1, L2 L1-L2 L3 THEN TTest DATA L3 CRITICAL VALUE Left Tailed t α = t-table using n-1 degrees of freedom and α and make it negative t = t-table using n-1 degrees of freedom and α and make it negative Right Tailed t = t-table using n-1 degrees of freedom and α and make it positive t = t-table using n-1 degrees of freedom and α and make it positive Two Tailed 2 t = t-table using n-1 degrees of freedom and α/2 and make both positive and negative 2 t = t-table using n-1

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MATH 1342 CHAPTER 11 HANDOUT S11 - TEST STATISTICS CRITICAL...

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