When do we conclude that a claim about a parameter value is incorrect?
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What is the symbol for the null hypothesis?
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What does µ represent?
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True or false: The null hypothesis is a statement of "no difference" or "no change."
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Which hypothesis do we usually wish to find evidence "against?"
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If we wish to decide whether the mean is "less than" 16, which inequality symbol do we use in Ha?
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If we wish to decide whether the mean is "changed from" 16, which inequality symbol do we use in Ha?
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Because the research question is "Is the mean less than 76.5," what symbol should we use in Ha?
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Why is testing H0: μ = 75.6 versus Ha: µ < 75.6 a “one-sided” test?
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Which symbol should we use in Ha to test the research question, "Was the mean greater than 3?"
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Why is testing H0: µ = 3 versus Ha: µ > 3 a "one-sided" test?
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Which symbol should we use in Ha to test the research question, "Has the mean changed from 11.50?"
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Why is testing H0: μ = 11.50 versus Ha: µ \( \neq \) 11.50 a “two-sided” test?
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True or false: One should never use the symbol \(\overline{x} \) in H0 or Ha.
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