Fundamentals of Statistics (5th Edition)
5th Edition
ISBN: 9780134508306
Author: Michael Sullivan III
Publisher: PEARSON
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Chapter B.5, Problem 22AYU
Measuring Reaction Time Researchers at the University of Mississippi wanted to discover whether variability for reaction time to a go/no go stimulus of males was different from that of females. The researchers randomly selected 20 females and 15 males to participate in the study. The go/no go stimulus required the student to respond to a particular stimulus and not to respond to other stimuli. The data are in the next column.
Source: PsychExperiments at the University of Mississippi (www.olemiss.edu/psychexps)
Normal probability plots indicate that the requirement of normality is satisfied. The output shown is from a TI-84 Plus C.
- (a) Use the results to determine whether there is a difference in variability of reaction time in males and females at the α = 0.05 level of significance.
- (b) Draw boxplots of each data set, using the same scale. Does this visual evidence support the results obtained in part (a)?
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Chapter B.5 Solutions
Fundamentals of Statistics (5th Edition)
Ch. B.5 - For Problems 18, find the critical value(s) for :...Ch. B.5 - For Problems 18, find the critical value(s) for :...Ch. B.5 - For Problems 18, find the critical value(s) for :...Ch. B.5 - For Problems 18, find the critical value(s) for :...Ch. B.5 - For Problems 18, find the critical value(s) for :...Ch. B.5 - For Problems 18, find the critical value(s) for :...Ch. B.5 - For Problems 18, find the critical value(s) for :...Ch. B.5 - For Problems 18, find the critical value(s) for :...Ch. B.5 - In Problems 914, assume that the populations are...Ch. B.5 - In Problems 914, assume that the populations are...
Ch. B.5 - In Problems 914, assume that the populations are...Ch. B.5 - In Problems 914, assume that the populations are...Ch. B.5 - In Problems 914, assume that the populations are...Ch. B.5 - In Problems 914, assume that the populations are...Ch. B.5 - Elapsed Time to Earn a Bachelors Degree Clifford...Ch. B.5 - Prob. 16AYUCh. B.5 - Prob. 17AYUCh. B.5 - SAT Test Scores A researcher wants to know if...Ch. B.5 - Waiting Time in Line McDonalds executives want to...Ch. B.5 - Filling Machines A quality-control engineer wants...Ch. B.5 - Rates of Returns of Stocks Stocks may be...Ch. B.5 - Measuring Reaction Time Researchers at the...
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