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2 articles trouvés pour ce sujet.
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p-values and t-distributions |
2007-11-13 |
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Don pose la question :
I have a t-test statistic of 1.28 and a degree of freedom of 6.
I know the p-value is .248 I cannot figure out how to calculate that value.
I have used software to get it but I want to know how to calculate it using
the t-distribution table.
Harley Weston lui répond. |
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The p-value |
2004-07-25 |
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Kathy pose la question :
Ms. Lisa Monnin is the budget director for the New Process Company. She would like to compare the daily travel expenses for the sales staff and the audit staff. She collected the following sample information.
At the .10 significance level, can she conclude that the mean daily expenses are greater for the sales staff than the audit staff? What is the p-value?
Having problems finding the p-value & unsure of the formula.
Kathy
Penny Nom lui répond. |
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