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STATISTICS - Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Jamb Past Questions and Answers on STATISTICS

Question 306:


The mean of seven numbers is 96. If an eighth number is added, the mean becomes 112. Find the eighth number.

A. 126
B. 180
C. 216
D. 224

View Answer & Explanation

Question 307:


Find the median of 2,3,7,3,4,5,8,9,9,4,5,3,4,2,4 and 5

A. 9
B. 8
C. 7
D. 4

View Answer & Explanation

Question 308:


Find the range of 4,9,6,3,2,8,10 and 11

A. 11
B. 9
C. 8
D. 4

View Answer & Explanation

Question 309:


Find the standard deviation of 2,3,8,10 and 12

A. 3.9
B. 4.9
C. 5.9
D. 6.9

View Answer & Explanation

Question 310:


Evaluate n+1Cn-2 If n =15

A. 3630
B. 3360
C. 1120
D. 560

View Answer & Explanation



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