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[DOC File]1 - Purdue University
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a. H0: 50 Ha: > 50 b. t = 3 c. p-value (.0019) is less than .005; reject H0 PTS: 1 TOP: Hypothesis Tests 15. A soft drink filling machine, when in perfect adjustment, fills the bottles with 12 ounces of soft drink. A random sample of 49 bottles is selected, and the contents are measured.
p value test

[DOCX File]Microsoft Word - Exam 2 Cheat Sheet.docx
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Fit all k-1 variable models with two variables (one of which is the winning variable from step 2). Choose the model with the new variable having the lowest P-value. Check to determine that this new variable has P-value less than SLE. If no, then stop and keep the model with only the winning variable from step 2. If yes, then check that the ...
what is a significant p value

[DOC File]Probability
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Provide an interpretation of the P-Value in the context of the problem. (P-Value) is the probability that we obtain a test statistic as small or smaller than (Test Statistic) when the true (population parameter) is ... (different than/less than/more than)
ideal p value

[DOC File]CHAPTER 9—HYPOTHESIS TESTS
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Use the critical value approach and the p-value approach. (use a separate sheet to answer if necessary) 14 Suppose that a t-test is being conducted at the 0.05 level of significance to test versus . A sample of size 20 is randomly selected. The rejection region is: a. t > 1.725. b. t < -1.729. c. t > -2.093. d. t < 2.086
simply explained p value

[DOC File]Columbia University in the City of New York
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Calculate the z statistic, the critical value(s) assuming a significance level of 1%, and the p value. State your conclusion with regard to the Hypothesis Testing. Wang Warranty Corporation is testing iPods. Wang starts with 100 iPods and tests them by dropping them on the ground. Wang records the number of drops before each iPod will no longer ...
easy explanation for p value

[DOC File]AP Statistics Assignment #43
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if p ( α. Sign test is less powerful than the (parametric) t-test because much information is not used. The sign test uses only the sign of the difference between the items in a pair. The size of the difference is ignored. H0 rejected: The p-value is less than or equal to …
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What a p-Value Tells You about Statistical Data - dummies
In general each entry of Pn is a constant plus a sum of multiples of powers of numbers of absolute value less than one. As n approaches infinity Pn approaches the matrix P( of the constants. Thus as n ( ( we get. P( = T-1 = T-1 = = where we let . T-1 = So. P( = So the rows of P( are all equal to the vector which is the first row of T-1. ...
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[DOC File]Chapter 11 – Simple linear regression
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5 boxes give a P-value less than .01 and 8 boxes give a P-value less than .10. Significance Level () .01 .05 .10 Upper Limit of voucher boxes in order to conclude cheating 5 7 8 Pretend the company is cheating—they are putting the voucher in only 10% of all boxes.
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[DOC File]1
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20. The P-value for the ANOVA F test for testing equality of the population means of the three birth months is A) less than 0.001 B) between 0.001 and 0.010 . C) between 0.010 and 0.025 D) greater than 0.025. 21. Multiple comparison procedures are going to be done using the Bonferroni method with = 0.10. The value of t** is 2.1598.
p value test

[DOC File]SIGN TEST (NONPARAMETRIC) - Ben
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The decision rule is to reject H0 if the p-value is less than 0.05. Our p-value is greater than 0.05, so we do not reject the null hypothesis. Is there evidence that the machine is not meeting the manufacturer's specifications for average breaking strength? No, not at the 0.05 level of significance.
what is a significant p value

P value less than 1