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Chapter 1: Q38. (page 56)

Investments The integers below represent the monthly gains and losses in the value of an investment over one year. Find the mean of the integers.

鈭�190,鈥�75,鈥�鈭�65,鈥�100,鈥�72,鈥�鈭�54,鈥�鈭�62,鈥�鈭�87,鈥�92,鈥�81,鈥�鈭�73,鈥�63

Short Answer

Expert verified

The mean value of investment is 鈥�4.

Step by step solution

01

Step-1 – Formula Used

The mean of the investments can be found using the formula,

Meanvalue=gains+losesnoofinvestment

02

Step-2 – Given

consider, the monthly gains and losses provided in the question,

.鈭�190,75,鈭�65,100,72,鈭�54,鈭�62,鈭�87,92,81,鈭�73,63

03

Step-3 – Find the mean value

To evaluate the mean value, add all the investment then divide the result by total count of investment done.

Meanvalue=gains+losesnoofinvestment=鈭�190+75鈭�65+100+72鈭�54鈭�62鈭�87+92+81鈭�73+6312=鈭�4812=鈭�4

Thus, the mean value of investment is 鈥�4.

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