Statistical significance p value excel

    • [DOC File]Homework Set #5/97

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      hypothesized value. The P-value is then equal to the area under the z-curve and to the left of -2.61. From looking at the Z-table (Table II of Weiss), the P-value = 0.0045. Using a 0.01 significance level Ho would be rejected (since 0.0045 < 0.01), suggesting that the. mean usage was lower.

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    • [DOCX File]Activity 3.7 Statistical Analysis with Excel Answer Key

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      Statistical Analysis with Excel Answer Key. In this activity you will collect data of the height of students and use Microsoft Excel to perform statistical analyses and create a statistical chart to display your data. Equipment. Notebook (Journal) Completed activity 3.4 Applied Statistics.

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    • [DOCX File]Statistical Tests - Loudoun County Public Schools

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      table value. Use your calculated degrees of freedom and the . Level of Significance of 0.05 (95%) to find the correct value. Determine if the . calculated value. is greater or less than the . table value. For t-test:Refer to null hypothesis descriptions for decision to accept or reject the null hypothesis. For Chi-square: If . x. 2. Calculated ...

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    • [DOC File]Columbia University in the City of New York

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      Another approach to estimating the p-value would be to use a special t-table, such as http://www.columbia.edu/~dj114/t-table2.doc, which yields a p-value of somewhere between 0.3131 and 0.3481. A third, more precise method is to use the Excel function =TDIST(0.4714,12,1), which gives us …

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    • [DOC File]Review of Basic Statistical Concepts

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      P-value. The smallest significance level at which you would reject H0. The p-value is calculated from the test statistic, and is doubled for two-sided tests. Note: and the p-value are the “before” and “after” significance levels for the test. We can reach a decision to accept or reject H0 by comparing the two significance levels. Rule ...

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    • [DOC File]John Uebersax Home Page

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      The p-value and α are related, but are different concepts. As we shall see, we fix α in advance, but the value of p depends on the result of our study. The term . statistical significance. is used somewhat inconsistently to refer either to α or to the p-value. 2. The p-Value Approach to Hypothesis Testing

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    • [DOC File]Advanced Excel - Statistical functions & formulae

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      P-Value . The probability value (p-value) of a statistical hypothesis test is the probability of getting a value as or more extreme than that observed by chance alone, if the null hypothesis H0, is true. It is equal to the significance level of the test at which we would reject the null hypothesis.

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    • [DOC File]Standard Deviation of the Average

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      Therefore, P( t = tstat) = p-value. The excel function to find the p-value is =tdist(tstat, degs of freedom,2). Reject the null hypothesis. if the sample’s p-value is less than the chosen significance level “alpha” (. Accept the null hypothesis. if a sample’s p-value exceeds or equals the chosen significance level ...

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    • [DOC File]Advanced Excel - Statistical functions & formulae

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      P-Value . The probability value (p-value) of a statistical hypothesis test is the probability of getting a value of the test statistic as extreme as or more extreme than that observed by chance alone, if the null hypothesis H0, is true. It is equal to the significance level of the test for which we would only just reject the null hypothesis.

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