NotesTtestBus134AFl08.pdf

NotesTtestBus134AFl08.pdf - t test The objective of this...

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t test The objective of this hand out is to give you practice using the t-test statistic. lt is worthwhile to calculate the values by hand, as was done in class. To see if you understand how to use SPSS, it is wise to make a spreadsheet of the data and to run the program. The values you obtain with the software should match what you calculate by hand. The answers to the following questions appear al the end of this hand out. lt is wise to look at them after you compute the materials by hand and by using SPSS.
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is adapted from Pagano, Robert R (1981). Understanding Sfafisfics in the Behavioral Sciences. St. Paul, Minnesota: West Publishing Company Example: A psychologist is interested in determining whether memory is affected by sleep loss. --One group of 6 students is sleep-deprived for 24 hours. --Another group of 6 students receives the normal amount of sleep. Then, all students view slides containing numbers. Aftenrvard, they are subsequently asked to recall as many of the numbers as possible. The
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This note was uploaded on 09/08/2010 for the course BUS 134A at San Jose State University .

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NotesTtestBus134AFl08.pdf - t test The objective of this...

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