How to determine null hypothesis
[DOCX File]www.toomey.org
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1. Determine the hypotheses. Null Hypothesis: an assumption concerning the value of the population parameter being studied (usually represents no effect, no change, no difference, etc.) Notation: H0. Alternative Hypothesis: a statement that specifies an alternative set of possible values for the population parameter that is not included in the null hypothesis
[DOC File]Section 1
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a. the alternative hypothesis. b. the null hypothesis. c. either the null or the alternative. d. None of these alternatives is correct. Answer: b. In hypothesis testing if the null hypothesis is rejected, a. no conclusions can be drawn from the test. b. the alternative hypothesis is true. c. the data must have been accumulated incorrectly
[DOC File]Directional Hypothesess
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Chapter 11. Questions 1 to 2: For each statement, determine if the statement is a typical null hypothesis (H0) or alternative hypothesis (Ha). There is no difference between the proportion of overweight men and overweight women in America.
[DOC File]Mind On Statistics Test Bank - Department of Mathematics ...
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Determine the null and alternative hypothesis from a claim. Understand Type I and Type II errors. State conclusions to hypothesis tests. Vocabulary: Hypothesis – a statement or claim regarding a characteristic of one or more populations. Hypothesis Testing – procedure, base on sample evidence and probability, used to test hypotheses
[DOC File]Columbia University in the City of New York
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Critical Value: Determine . critical values (z c ) to mark the rejection regionsTest Statistic: Calculate the . test statistic (z data ) from the sample dataConclusion: Reject the null hypothesis (supporting the alternative hypothesis) otherwise fail to reject the null hypothesis, then state claim
[DOC File]6 - Marietta College
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Some of the statements below refer to the null hypothesis, some to the alternate hypothesis. State the null hypothesis, Ho, and the alternative hypothesis, Ha, in terms of the appropriate parameter (( or p). The mean number of years Americans work before retiring is 34. At most 60% of Americans vote in presidential elections.
[DOC File]Hypothesis Testing of Single Mean and Single Proportion ...
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NULL. hypothesis (HO) 2-tailed: µ = some value; 1-tailed: µ ≤ or ≥ some value. Specify the . ALTERNATIVE. hypothesis (HA) 2-tailed: µ ≠ some value . 1-tailed: u > or < some value. Designate the rejection region by selecting (. Determine the critical value of your test statistic (remember to use appropriate df) 2-tailed: (/2 in the tail
Null and Alternative Hypothesis | Real Statistics Using Excel
Test the null hypothesis that at most 25% of all members of this population had no professional assistance before opening the business. Formulate Hypotheses: H0: p = 0.25 HA: p > 0.25 Calculate Test Statistic: z. p-value: p-value This null hypothesis can be rejected at any value of ( (significance level) greater than 3.67%. 6.
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