The mean score on a statistics test is 150 and the standard deviation is 15 (i.e. μ = 150 and σ = 15). In a class there

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answerhappygod
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The mean score on a statistics test is 150 and the standard deviation is 15 (i.e. μ = 150 and σ = 15). In a class there

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The mean score on a statistics test is 150 and the standarddeviation is 15 (i.e. μ = 150 and σ = 15). In a class there are 25kids. The kids mean score on the statistics test is x-bar = 156. Asthe teacher predicted that his students would do better than thetypical student, use a one-tailed test of significance with α =.05
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