Students in the first semester French course are split into two groups, those who had completed a previous language course and those who did not. Samples of size 40 were selected from each group and their score on the first French exam recorded. The summary statistics are

Previous course: n₁ = 40 x = 71.2 s₁ = 10.3

No previous course: n₂ = 40 y = 64.9 s₂ = 9.92

Conduct a test of hypotheses with the intent of showing that the mean test score for persons who completed a previous language course is higher than the mean score of those who did not. Take α = .05.

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The Answer of Students in the first semester French course are split into two groups, those who had completed a previous language course and those who did not. Samples of size 40 were selected from each group and their score on the first French exam recorded. The summary statistics are Previous course: n₁ = 40 x = 71.2 s₁ = 10.3 No previous course: n₂ = 40 y = 64.9 s₂ = 9.92 Conduct a test of hypotheses with the intent of showing that the mean test score for persons who completed a previous language course is higher than the mean score of those who did not. Take α = .05.

Students in the First Semester French Course Are Split into Two