Question

33. The following are the marks obtained by 6 students in a test calculate the arithmetic mean.

Marks: 70, 80, 40,50,65,45.​

Answer 1

Answer:

Arithmatic Mean=70+80+40+50+65+45/6

                            =350/6

                            =58.33 ... [3 is bring repeated continiously]

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Answer 2

Formula Used :

Mean = Summation of marks obtained ÷ Total Number of students

$\sf \implies \: Mean \: = \frac{70 + 80 + 40 + 50 + 65 + 45}{6} \\ \\ \sf \implies \: Mean \: = \frac{350}{6} \\ \\ \sf \implies \: Mean \: = 58.33$

ANSWER:

Arithmetic Mean = 58.33