Question: An MBA program office claims that the average GMAT score among students admitted to its program is at least 750. To test the above claim,

  1. An MBA program office claims that the average GMAT score among students admitted to its program is at least 750. To test the above claim, you take random samples of five admitted students and you observed their GMAT scores. The following scores were obtained: 460, 485, 525, 540, and 580. Does this provide sufficient evidence to refute the MBA program office's claim? Use =.05.

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