3) A sample of midterm grades for five students showed the results: 72, 65, 82, 90, and...

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3)
A sample of midterm grades for five students showed the results:72, 65, 82, 90, and 76. Based on the data, which of the followingstatements are correct, and which should be challenged as being toogeneralized? Justify your answer. a. The average midterm grade forthe sample of five students is 77. b. The average midterm grade forall students who took the exam is 77. c. An estimate of the averagemidterm grade for all students who took the exam is 77. d. Morethan half of the students who take this exam will score between 70and 85. e. If five other students are included in the sample, theirgrades will be between 65 and 90.

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a The average midterm grade for the sample of five students is 77 The statement is correct Justification Sample average 72 65 82 90 765 3855 77 b The average midterm grade for all students who took the exam is 77 The statement See Answer

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