Level of significance-receiving lower grades

Reference no: EM1322046

The department is concerned that dual degree students may be receiving lower grades than the regular students. Two independent random samples have been selected 150 observations from population 1 (dual degree students) and 150 from population 2 (MBA students). The sample means obtained are X1(bar) =79 and X2(bar) = 82. It is known from previous studies that the population variances are 4.5 and 5.0 respectively. Using a level of significance of .05, is there evidence that the dual degree students are receiving lower grades? Explain.

Reference no: EM1322046

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