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[DOC File]CHAPTER 1
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What is the most appropriate test statistic to compute in order to find this difference? 2. T. Rivia thinks that maybe the BH students can lick quicker because they have bigger tongues. She creates a scatter-plot, and finds some negative correlation between tongue size and the number of licks to the center of the Tootsie Pop. When she measures ...
calculate the value of test statistic

[DOC File]Statistics and Probability
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Significance Level (): It is the probability that the test statistics will fall in the critical region when null hypothesis is actually true. Critical value: It is any value that separates critical region from the values of the test statistic that do not lead to rejection of the null …
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[DOC File]Statistics - .:: GEOCITIES.ws
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Test Statistic: P-value:, use ,, use , or, use . Look up P-values on TABLE A 1-sample. t-test One set of data. σ is unknown. Quantitative data Find the confidence interval from SPSS printout (be sure to add in the test value) OR. To find the t* value, look at the n-1 degrees of freedom row on the t-table. Hypotheses: versus, or . Test ...
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[DOC File]California State University, Northridge
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A measure of how unlikely the test statistic would be if the null hypothesis were true is the _____. Answer: p-value. A _____ test is a statistical procedure that is used to determine whether or not there is a relationship between two categorical variables. Answer: chi-square. SECTION 13.4. practical versus statistical significance
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[DOC File]EXAM 4 REVIEW - MSU Billings | MSU Billings
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7. For a lower tail test, the p-value is the probability of obtaining a value for the test statistic. a. at least as small as that provided by the sample b. at least as large as that provided by the sample c. at least as small as that provided by the population d. at least as large as that provided by the population.
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[DOC File]Sample Hypothesis Test Questions (No computation required)
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F 41) If the P-value of the test statistic was found to be 0.9 for testing Ho: p = 0.8 against Ha: p < 0.8, then the correct . conclusion is ‘there is strong evidence that p < 0.8’. F 42) The goal of the hypothesis test is to prove the null hypothesis. F 43) A hypothesis test …
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[DOC File]citadel.sjfc.edu
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For a sample of size 5, a test of a null hypothesis versus a two-sided alternative gives t = 2.45. (a) Is the test result significant at the 5% level? (b) Now assume that the same statistic was obtained for a sample size of n = 10. Assess the statistical significance of the result. How did the statistical significance change with the sample size?
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[DOC File]Name:___________________________________
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Specify test statistic and calculate the value. Find the Rejections Region. Test conclusion with the critical value(s) and the test statistic. Interpret the test result. Testing µ when σ known. Examples. A manufacturer of sprinkler systems designed for fire protection claims that the average activating temperature is at least 135o F.
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[DOC File]Stat 301 Review (Test 2)
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Find the test statistic. . Find the area that corresponds to z. Find the P-value. Left-tailed test: P is the area to the left of z (test statistic) Right-tailed test: P is the area to the right of z (test statistic) Two-tailed test: P is twice the area to the left of a negative z (test statistic)or P is twice the area to …
calculate the value of test statistic

How to Test a Hypothesis for One Population Mean - dummies
Find the critical value for 22 degrees of freedom when = 0.05 and the test is two-tailed. After the degrees of freedom reach 30, the table only gives values for multiples of 10. When the exact degrees of freedom are not specified in the table, the closest smaller value should be used. Test Statistic…
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How to find the test statistic