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11. In a module, quiz contributes 10%, assignment 30%, and final exam contributes 60% towards the final result. A student obtained 80% marks in quiz, 65% in assignment, and 75% in the final exam. What are average marks?
(A) 64.5%
(B) 68.5%
(C) 72.5%
(D) 76.5%
12. In a university, average height of students is 165 cm. Now, consider the following Table,
Students | 16 | 20 | 24 | 20 | 16 |
---|---|---|---|---|---|
HEIGHT | 160–162 | 162–164 | 164–166 | 166–168 | 168–170 |
(A) Normal
(B) Uniform
(C) Poisson
(D) Binomial
13. What is the average of 3%, 7%, 10%, and 16% ?
(A) 8%
(B) 9%
(C) 10%
(D) 11%
ANSWERS: STATISTICS QUIZ
11. (C) 72.5%
12. (A) Normal
13. (B) 9%
SOLUTIONS: STATISTICS QUIZ
11. By using formula for calculating weighted average, we have
12.
13.