researcher is conducting an experiment to evaluate a treatment that is expected to increase the scores for individuals in a population which is known to have a mean of m = 80. The results will be examined using a one-tailed hypothesis test. Which of the following is the correct statement of the null hypothesis?     m > 80     m ³ 80     m < 80     m £ 80

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  1. A researcher is conducting an experiment to evaluate a treatment that is expected to increase the scores for individuals in a population which is known to have a mean of m = 80. The results will be examined using a one-tailed hypothesis test. Which of the following is the correct statement of the null hypothesis?
       
    m > 80
       
    m ³ 80
       
    m < 80
       
    m £ 80
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