Null hypothesis vs research hypothesis
[DOC File]Chapter 20
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a. null hypothesis of no difference is less than < 0.01 because 4.33 is greater than 2.58. b. alternative hypothesis of no difference is less than
[DOC File]Statistics as a Tool in Scientific Research
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Reject null hypothesis and support research hypothesis (the difference was probably real; the IV likely influences the DV) p > .05: Not significant. Retain null hypothesis and do not accept the research hypothesis (any difference was probably due to chance; the IV did not influence the DV) J. Reporting T Tests Results
[DOC File]Statistics as a Tool in Scientific Research
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Null hypothesis: Plants exposed to 0, 3, or 6 hours of artificial light have the same number of blooms, on average . Research hypothesis: Plants exposed to 0, 3, or 6 hours of artificial light have a different number of blooms, on average . Null hypothesis: For all fuel types (A, B, C and D), cars get the same average mpg
[DOC File]Learning Objectives for Hypothesis Testing
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Identify unethical behavior in terms of hypothesis testing. Extract the appropriate information from a story problem to perform a complete 7-step hypothesis test. Perform a 1-sample z-test on the mean. Perform a 1-sample t-test on the mean. For all hypothesis tests: For a given story problem: Set up the null and alternative hypotheses correctly.
[DOC File]CHAPTER 9—HYPOTHESIS TESTS
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a. accepting a true null hypothesis b. accepting a false null hypothesis c. rejecting a true null hypothesis d. None of these alternatives is correct. ANS: C PTS: 1 TOP: Hypothesis Tests 17. The level of significance. a. can be any positive value b. can be any value c. is (1 - confidence level) d. can be any value between -1.96 to 1.96
[DOC File]Hypothesis and Non Hypothesis Research - USDA ARS
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Hypothesis and Non Hypothesis Research Most scientific research is hypothesis-driven. That is, it seeks to address a specific, measurable, and answerable question, which may be intermediate to its ultimate objective, but essential to attaining the same.
[DOC File]What is Quantitative Research
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From the two-tailed or the one-tailed hypothesis, a null hypothesis is created. The null hypothesis: 4. Identifying variables for the study - Independent vs. Dependent Variables: The way that a variable is conceptualized will impact the level of measurement used in a study. Levels of measurement in research categorize the degree of precision ...
[DOC File]Week 3 - University of California, Los Angeles
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Whenever possible, in establishing the null and alternative hypotheses, the research hypothesis should be made the alternative hypothesis. If a hypothesis test is conducted for a population mean, a null and alternative hypothesis of the. form: Ho : = 100. HA : ≠ 100
[DOC File]Hypothesis Test for a Population Mean
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null hypothesis, in our example. The goal of the study is to decide whether the sample data tend to support the research hypothesis. The fundamental idea behind hypothesis testing procedures is this: We reject the null hypothesis(H0) if the observed sample is very unlikely to have occurred when H0 is true.
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