40, 30, 70, 20, 60, 10, 10, 80, 30, and 10.

A. $35
B. $36
C. $37
D. $38

Correct Answer:

Option B = $36

Explanation

Mean is gotten as the sum of the terms divided by the number of terms. That is,

sum of the terms/number of terms

40+30+70+20+60+10+10+80+30+10/10

360/10 = $36

SEE ALSO  In a firm, three employees earns N5,500 each, four earn N3,300 each, two earns N5,000 each and one earn N7,000. The mean income of the employees is?

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