Score x 0 1 2 3 4 5 6 Freq f 5 7 3 7 11 6 7 Fin... - JAMB Mathematics 2019 Question
Score (x) | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
Freq (f) | 5 | 7 | 3 | 7 | 11 | 6 | 7 |
Find the mean of the data.
A
3.26
B
4.91
C
6.57
D
3.0
correct option: a
Score (x) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | |
Freq (f) | 5 | 7 | 3 | 7 | 11 | 6 | 7 | 46 |
fx | 0 | 7 | 6 | 21 | 44 | 30 | 42 | 150 |
Mean (x) = \(\frac{\sum fx}{\sum f}\)
x = \(\frac{150}{46}\)
x = 3.26
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