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difference of mean scores of 4.20 - 4.0 =0.2. Do the data provide convincing evidence that one form of the AP exam is harder than

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difference of mean scores of 4.20 - 4.0 =0.2. Do the data provide convincing evidence that one form of the AP exam is harder than the other? Complete the first two steps of a significance test. STATE: Parameter: Statistic: Hypotheses: Significance level: PLAN: Name of procedure: Check conditions

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