If the sum of observations is 630 and their mean is 42, then the
value of is?.
(a) 21 (b) 30 (c) 15 (d) 20
Answers
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Answer:
The value is 15.
Option C is the correct answer.
Step-by-step explanation:
Mean = Sum of observations ÷ No. of observations
42 = 630 ÷ No. of observations
Value = 630 ÷ 42
Value = 15
Answered by
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The question answer is 15
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