16.
Calculate the arithmetic mean of the marks scored by 15 girls.
75, 93, 26, 69, 49, 45, 39, 30, 47, 73, 85, 58, 66, 91, 78
Answers
Answered by
0
Answer:
it is very easy
Step-by-step explanation:
just add al marks and divide it bt 15
Answered by
0
Answer:
75+93+26+69+49+45+39+30+47+73+85+58+66+91+78=924
next divide
924÷15=61.6
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