Q378
State the arithmetic mean of the following distribution: X (Series) : 145 155 165 175 F (Frequency) : 10 12 15 10
State the arithmetic mean of the following distribution:
| X (Series) : | 145 | 155 | 165 | 175 |
| F (Frequency) : | 10 | 12 | 15 | 10 |
A.
159.7
B.
160.3
AnswerC.
162.1
D.
165.9
Answer: Option B
Solution
Answer: Option B
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