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The MBA department is concerned that dual degree

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The MBA department is concerned that dual degree students may be receiving lower grades than the regular MBA students. Two independent random samples have been selected 350 observations from population 1 (dual degree students) and 310 from population 2 (MBA students). The sample means obtained are X1(bar)=84 and X2(bar)=86. It is known from previous studies that the population variances are 4.6 and 5.0 respectively. Using a level of significance of.05, is there evidence that the dual degree students are receiving lower grades? Fully explain your answer.;the last time you answered it. it had an x2 bar =87 but it is 86? and what equations did you use?s2p?

 

Paper#33238 | Written in 18-Jul-2015

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