Chapter 10: The t Test for Two Independent Samples
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Last updated 11:23 PM on 9/28/22
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independent measures research
between-subjects; comparing two or more sets of data
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repeated measures research
within-subjects
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what variance to use with 2 different sized samples?
pooled variance - use to calculate estimated standard error
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degrees of freedom
combined for both samples
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what is this graph showing?
the probability of a Type I error in a normally distributed sample
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what is this graph showing?
the probability of a Type II error in a normally distributed sample
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what is this graph showing?
the difference between a one-tailed and two-tailed t-test
Note 
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