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# Paired Dif - .003183 There is enough evidence to conclude...

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PAIRED DIFFERENCES Given: The data is paired by some common element (date, etc.) Test: H 0 : μ 1 - μ 2 or μ D = 0 H 1 : μ 1 - μ 2 or μ D > 0 Go to Tools Select Data Analysis Select t-Test: Paired Two Sample for Means Hypothesized Mean Difference: H 1 : μ 1 - μ 2 or μ D > 0

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CONFIDENCE INTERVAL FOR PAIRED DIFFERENCES: μ 1 - μ 2 or μ D FIRST create a column of differences p-value for one–tail (>) test:

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Unformatted text preview: .003183 There is enough evidence to conclude that: μ 1- μ 2 or μ D > 0 =B2-C2 Drag to D3:D8 D D DF D n s t x , 025 . ) ( ± The confidence interval is: This is generated from doing Descriptive Statistics on the Difference column. Go to Tools Select Data Analysis Select Descriptive Statistics Check both LCL = B12-B25 UCL = B12+B25...
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Paired Dif - .003183 There is enough evidence to conclude...

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