The null hypothesis quizlet
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Apr 27, 2011 · The null hypothesis for an ANOVA analysis comparing four treatment means is rejected. The four sample means are: 1= 10, 2=12, 3= 15, 4=18. The sample size for each treatment is the same. If ( 1- 2) if significantly different from zero, then A. 1is significantly less than 2, 3, and 4. B. 2is significantly less than 3 and 4. ...
[DOC File]CHAPTER 9—HYPOTHESIS TESTS
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a. null hypothesis b. alternative hypothesis c. either the null or the alternative hypothesis d. sample statistic ANS: A PTS: 1 TOP: Hypothesis Tests 9. The p-value. a. is the same as the Z statistic b. measures the number of standard deviations from the mean c. is a distance d. is a probability ANS: D PTS: 1 TOP: Hypothesis Tests ...
[DOC File]CHAPTER FIFTEEN - National Chengchi University
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51. Refer to Exhibit 15-6. Carry out the test of significance for the parameter (1 at the 1% level. The null hypothesis should be. a. rejected. b. not rejected. c. revised. d. None of these alternatives is correct. 52. Refer to Exhibit 15-6. The degrees of freedom for the sum of squares explained by the regression (SSR) are. a. 2. b. 3. c. 13 ...
[DOC File]Chapter 11- Testing A Claim
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There is more evidence against the null hypothesis, Ho. A low p-value means the observed result is unlikely to occur by chance if the null hypothesis, Ho, is true. 6. If a p-value is large, what do we conclude about the null hypothesis ? It means there is not enough evidence against the null hypothesis, Ho,.
[DOC File]00 PSY221 title and cover page - Fayetteville State University
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d. the null hypothesis is probably correct. 4. When the null hypothesis is true, then F = MSbetween / MSwithin will be equal to: a. 0. b. 1. c. greater than 1. d. not enough information given. 5. To test the truth or falsity of H0, we calculate two estimates of the population variance.
[DOCX File]Iowa State University
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null hypothesis. (c) the probability that the null hypothesis is true. (d) the probability of observing an outcome as extreme or more extreme than the one observed if. the null hypothesis is true. 6. A random sample of 25 college statistics textbook prices is obtained and the mean price is computed. To determine the probability of obtaining a ...
[DOC File]CRITICAL THINKING EXERCISE 5-3
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Title: CRITICAL THINKING EXERCISE 5-3 Author: The McGraw-Hill Companies Last modified by: The McGraw-Hill Companies Created Date: 2/26/2008 10:03:00 PM
[DOC File]CHAPTER 17: SOCIAL STATISTICS
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The null hypothesis was rejected. c. There is a statistically significant relationship at the .05 levels. d. All of the above. e. Only b and c are correct. 16. The regression model can be used to. a. Summarize a relationship between variables. b. Predict a value of one variable from its relationship to another related variable
[DOC File]Quiz # 1 Chapters 1 and 2 - Kean University
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We will use the Chi-square test to determine if the null hypothesis is likely, given results from another class.. In 2009 we made some measurements of soil moisture near Red Maple trees Acer rubrum and Red Oaks Quercus rubra in an old forest. Each tree's vicinity was measured 4 times and averaged. The average soil moisture ranged from 2.8 to 19 ...
[DOC File]Sample Exam Questions
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C) the null hypothesis is confirmed, regardless of the sampling procedures used. D) a large random sample is used. 28. A research worker plans to evaluate high school students' reactions to a new policy on closed campus stations. He locates himself near the office of the dean, where he interviews every fourth student who visits the dean.
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