38. For the given five values 15, 2 poin
24, 18, 33, 42, the three years
moving averages are
O A) 19, 22, 33
O B) 19, 25, 31
O C) 19,30,31
OD) None of the above
Answers
Answer:
B) 19,25,31 is your answer
Step-by-step explanation:
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Answer:
B) 19, 25, 31
Step-by-step explanation:
Given:- The given five values are 15, 24, 18, 33, 42.
To Find:- The three years moving averages.
Solution:-
The given five values are 15, 24, 18, 33, 42.
We calculate three years moving averages by following steps:-
1. Add up the 1st 3 numbers in the list and divide it by 3. This will be 1st 3 years moving average.
2. Add up the next 3 numbers in the list and divide the sum by 3. This will be second 3 years moving average.
3. Keep repeating step 2 until reached the last 3 numbers.
Average of 1st 3 values = (15 + 24 + 18) ÷ 3
= 57 ÷ 3 = 19
Average of next 3 values = (24 + 18 + 33) ÷ 3
= 75 ÷ 3 = 25
Average of last 3 values = (18 + 33 + 42) ÷ 3
= 93 ÷ 3 = 31
Therefore, the 3 years moving averages are 19, 25, 31.
The correct option is B) 19, 25, 31
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