
106 Business Statistics
Example 3.24 The area sales manager of a pharmaceutical company decided to invest
some portion of his savings in the share market. He took a decision to in-
vest Rs 30,000 in the share market. In this process in the rst 6 months
he bought shares at the price of Rs 100, 150, 180, 250, 290, and 310 per
month. After 6 months, what will be the average price paid by him for
purchasing these shares?
Solution The value of shares change month after month, which is why the required tool
of computing average is the harmonic mean. Hence, the average price paid by
him for purchasing the shares can be computed as shown in Table ...