You are given the following information about advertising expenditure and sales.
Advertisement (X) | Sales (Y) (Rs. in lakh) | |
Arithmetic Mean | 10 | 90 |
Standard Deviation | 3 | 12 |
A. Rs. 120 lakh
B. Rs. 106 lakh
C. Rs. 58 lakh
D. Rs. 48 lakh
Answer: Option B
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