Practice 8 Question 4 of 10 (1 point) | Question Attempt: 1 of 1 \begin{tabular}{lllllllll} \( \checkmark 1 \) & \( \checkmark 2 \) & \( \checkmark 3 \) & 4 & 5 & 6 & 7 & 8 & 9 \\ \hline \end{tabular} Explain the difference between a one-tailed and a two-tailed test. A one-tailed test has an alternative hypothesis using the symbols \( \square \) (Choose one) or \( \square \) (Choose one) ; a two-tailed test has an alternative hypothesis using the symbol \( \square \) (Choose one) . \( \square \) \[ 7 \]
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- A one-tailed test is used when the research hypothesis predicts a specific direction of the effect (either greater than or less than). - A two-tailed test is used when the research hypothesis does not predict a specific direction, only that there is a Show more…
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