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STA 270 EXAM 3 LATEST UPDATED
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STA 270 EXAM 3 LATEST UPDATED...
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false - ANSWER alternative hypothesis claims that there is no effect ordifference
true - ANSWER the null hypothesis always contains an equality
false - ANSWER null hypothesis claim for which we seek evidence
true - ANSWER the alternative hypothesis always contains an
inequality(<,>,/=)
true - ANSWER alternative hypothesis claim for which we seek evidence
false - ANSWER hypotheses are always about sample statistics, not
population parameters
true - ANSWER the type of inequality in the alternative comes from the
wording of the question of interest
false - ANSWER for a randomization distribution, we simulate many
samples assuming that the alternative is true
true - ANSWER sample statistics farther out in the tail of the
randomization distribution give a smaller p-value
true - ANSWER a randomization distribution allows us to see what kinds
of statistics we would observe, just by random chance if the null
hypothesis were true
true - ANSWER the randomization distribution is centered around the
value stated in the null
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