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[DOCX File]Glorybeth Becker - Home
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1 Proportion z-test. 1 Proportion z-int SRS? Normal? np > 10, n(1-p) > 10. Independent? 10n < pop. Stat/Test. 1propzTest or. 1propZInt More than 1 prop. 2 Categorical Variables. Tests: Goodness of Fit. Homogeneity. Independence SRS? All expected counts 5? N/A For GOF: Put observed counts in L1 and expected counts in L2. Sum L3 to get . For ...
one proportion z test

[DOC File]In the past, 44% of those taking a public accounting ...
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Worksheet on 2-Prop Z test. 2019.4.8. Name _____+_____ 1. A consumer agency spokesman stated that he thought that the proportion of households having a washing machine was higher for suburban households than for urban households. To test to see if that statement was correct at the 0.05 level of significance, a reporter randomly selected a ...
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[DOC File]Hypothesis Testing and Confidence Intervals
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Conditions met --> Normal model --> 1 prop Z test. Z = = 3.1434. P(Z > 3.1434) = 8.352 x 10-4. We reject Ho b/c p-value of 8.352 x 10-4 is less than a = 0.05. We have sufficient evidence that the true % of people dying from cancer in Utah in 1955 is greater than 0.1364. Thus, there is evidence that the death rate from cancer among the movie ...
1 prop z test formula

[DOC File]Central Bucks School District / Homepage
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Come up with hypotheses for each of the variables, for using a 1 prop Z test. Example: “Out of the 4 core subjects (Engl, Math, Sci, Hist), is Math your favorite subject?” Assuming that all are equitably liked, we would assume 25% (1/4) would say “Math” However we hope that more than 25% like math the best. Therefore, Ho: p = 0.25 and ...
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[DOC File]1 - Weebly
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Use a feature of the calculator to test the hypothesis. Indicate the feature used and the results: Use 1-Prop-Z-Test and get the same values shown in the work below. Test statistic = p-value = = P(p-hat > .767) = P(z > 2.53) = 1 – .9943 = .0057 < .025 (significance level)
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[DOC File]Central Bucks School District
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example: Your teacher claims to produce random numbers from 1 to 5 (inclusive) on her calculator, but you’ve been keeping track. In the past 80 selections, the number 5 has come up only eight times. You suspect that the calculator is producing fewer fives than it should. Run an appropriate significance test to test …
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How to Perform a One Proportion Z-Test in Excel - Statology
Neither test statistic is beyond a critical value. There is not enough evidence to reject either claim. On page 3.9, students are to use the 1-Prop z Test command (MENU > Statistics > Stat Tests) to find the P-values for each test. The P-values are about 0.55 (cats) and 0.17 (dogs), both above 0.10, the significance level.
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Activity overview:
Practice: One-Proportion Z-Test – Binge Drinking ExampleDate_____ After hearing the national result that 44% of students engage in binge drinking (5 drinks at a sitting for men, 4 for women), a professor initiated an anti-binge drinking campaign.
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1 prop z test