Question

Professor Gersch grades his midterms and then takes a sample of eight tests and notices their...

Professor Gersch grades his midterms and then takes a sample of eight tests and notices their grades: 87, 79, 85, 68, 82, 86, 76, 91.

Find the first quartile Q1.

a.

77.5

b.

83

c.

86

d.

81

e.

None of the others are correcct.

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