MATHEMATICS
JAMB 2003 - Question 42
Mathematics 2003 JAMB Past Questions - Question 42: Find the mean of the distribution above.Value 0,1,2,3,4freq. 1,2,2,1,9
A:
B:
C:
D:
Correct Answer
C
Explanation
To find the mean of a distribution, we multiply each value by its corresponding frequency, sum up the products, and divide by the total frequency.Value Frequency Product (Value * Frequency)0 1 0 * 1 = 01 2 1 * 2 = 22 2 2 * 2 = 43 1 3 * 1 = 34 9 4 * 9 = 36Total Frequency: 1 + 2 + 2 + 1 + 9 = 15Sum of Products: 0 + 2 + 4 + 3 + 36 = 45Mean = Sum of Products / Total Frequency = 45 / 15 = 3Therefore, the mean of the given distribution is 3.
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