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A researcher designed a study to find out the effectiveness of two teaching methods: lecture-style vs....

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Statistics

A researcher designed a study to find out the effectiveness oftwo teaching methods: lecture-style vs. discussion-style. Hecompares the test scores of the students taught with these twodifferent methods. The scores on the test range from 0 to 41 withhigher scores indicating better performance. The test results areprovided in the table below:

                                  Group       Methods                n            M            SS
                                     1           lecture-style         15            24          336
                                     2            discussion-style   15           28            392

  1. Do students taught with the discussion style performbetter than those taught with the lecture style? Use the.05 significance level for the one-tailed test. Show the four stepsof hypothesis testing, and describe the hypotheses and conclusionin words as well as notations

  1. Compute (show calculation steps) and interpretr2

Answer & Explanation Solved by verified expert
4.3 Ratings (903 Votes)
Let sample 1 lecture stylesample 2 discussion styleThe    See Answer
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