Essentials of Statistics for the Behavioral Sciences
8th Edition
ISBN: 9781133956570
Author: Frederick J Gravetter, Larry B. Wallnau
Publisher: Cengage Learning
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Textbook Question
Chapter 12.7, Problem 1LC
A researcher uses an independent-measures t test to evaluate the mean difference obtained in a research study, and obtains a t statistic of t = 3.00. If the researcher used an ANOVA to evaluate the results, then what F-ratio would be obtained?
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Essentials of Statistics for the Behavioral Sciences
Ch. 12.2 - Explain the difference between the testwise alpha...Ch. 12.2 - Prob. 2LCCh. 12.2 - Prob. 3LCCh. 12.2 - Prob. 4LCCh. 12.3 - Calculate SStotal, SSbetween, and SSwithin for the...Ch. 12.3 - A researcher reports an F-ratio with dfbetween = 3...Ch. 12.3 - Prob. 3LCCh. 12.4 - A researcher obtains F = 4.10 with df = 2, 14. Is...Ch. 12.4 - For an ANOVA evaluating the mean differences among...Ch. 12.5 - A researcher used ANOVA and computed F = 4.25 for...
Ch. 12.5 - Prob. 2LCCh. 12.6 - With k = 2 treatments, are post hoc tests...Ch. 12.6 - Prob. 2LCCh. 12.7 - A researcher uses an independent-measures t test...Ch. 12.7 - An ANOVA produces an F-ratio with df = 1, 34....Ch. 12 - Explain why the F-ratio is expected to be near...Ch. 12 - Several factors influence the size of the F-ratio....Ch. 12 - Why should you use ANOVA instead of several t...Ch. 12 - Posttests are done after an ANOVA. a. What is the...Ch. 12 - An independent-measures study comparing four...Ch. 12 - The following data summarize the results from an...Ch. 12 - For the preceding problem you should find that...Ch. 12 - The following data summarize the results from an...Ch. 12 - For the preceding problem you should find that...Ch. 12 - The following data summarize the results from an...Ch. 12 - Prob. 11PCh. 12 - The following values are from an...Ch. 12 - There is some evidence that high school students...Ch. 12 - A researcher reports an F-ratio with df = 2. 27...Ch. 12 - A research report from an independent-measures...Ch. 12 - The following summary table presents the results...Ch. 12 - A pharmaceutical company has developed a drug that...Ch. 12 - A developmental psychologist is examining the...Ch. 12 - The following data were obtained from an...Ch. 12 - The following values summarize the results from an...Ch. 12 - The following data are from an...Ch. 12 - One possible explanation for why some birds...Ch. 12 - There is some research indicating that college...Ch. 12 - New research suggests that watching television,...
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