Mathematics, 13.08.2019 03:20 Dweath50
The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. assuming a normal distribution, what test score separates the top 25% of the students from the lower 75% of students?
Answers: 3
Mathematics, 21.06.2019 20:00, CelesteN64
For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.
Answers: 1
Mathematics, 22.06.2019 00:00, karinagonzale80
If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9
Answers: 1
The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. a...
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