1) Give an example of a research problem that you could use an
independent –sample t...
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1) Give an example of a research problem that you could use anindependent –sample t test on.
2) Give an example of a research problem that you could use apaired-sample t test on.
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REAL LIFE EXAMPLERESEARCH PROBLEM FOR T TEST AND PAIRED TTEST1RESEARCH PROBLEMLets say youre curious about whether New Yorkers and Kansansspend a different amount of money per month on movies Itsimpractical to ask every New Yorker and Kansan about their moviespending so instead you ask a sample of eachmaybe 300 New Yorkersand 300 Kansansand the averages are 14 and 18 The ttest askswhether that difference is probably representative of a realdifference between Kansans and New Yorkers generally or whetherthat is most likely a meaningless statistical flukeTechnically it asks the following If there were in fact nodifference between Kansans and New Yorkers generally what are thechances that randomly selected groups from those populations wouldbe as different as these randomly selected groups are Forexample if Kansans and New Yorkers as a whole actually spent thesame amount of money on average its very unlikely that 300randomly selected Kansans each spend exactly 14 and 300 randomlyselected New Yorkers each spend exactly 18 So if youre samplingyielded those results you would conclude that the difference inthe sample
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