A) 61
B) 61.5
C) 62
D) 62.5
Correct Answer: B
Solution :
x | \[{{f}_{i}}\] | \[{{f}_{i}}{{x}_{i}}\] |
44 | 2 | 88 |
58 | 4 | 232 |
74 | 4 | 296 |
61 | 5 | 305 |
62 | 3 | 186 |
\[\sum{{{f}_{i}}=18}\] | \[\sum{{{f}_{i}}{{x}_{i}}=1107}\] |
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