Question

Calculate the arithmetic mean of the following observations:
55, 30, 28, 20, 22, 25

Answer 1

Answer:

add and divide by 6

Explanation:

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Answer 2

• Add all the scores
• Divide by number of scores
• Mean = Sum of scores/ Number of scores
• Mean = 55+30+28+20+22+25 =180
• Divide by number of scores which is 6
• So , 180 ➗ 6=30

So , the Arithemetic Mean is 6