Answer:
2d, 3b
Step-by-step explanation:
pay attention in class
these are simple theorems
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The answer is A is this geometry?
Answer:
First 12 natural numbers are: 1,2,3,4,5,6, 7,8,9,10,11 abs …. 12. Now, substitute 78 for the sum of observations and 12 for the total number of observations in the formula M=Sn to determine the arithmetic mean. Hence, 6.5 is the arithmetic mean of the first 12 natural numbers.
