What is arithmetic mean?
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the arithmetic mean is the simplest and most widely used measure of a mean or average
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Answer:
The arithmetic mean or mean of a given data is defined as:
Mean=Sum of all observations / Number of observations
Explanation:
Example: Marks scored by 10 students in grade 7 are:
25, 43, 34, 50, 44, 48, 32, 29, 35, 40.
Mean = 25+43+34+50+44+48+32+29+35+40÷10 = 380/60=38
Mean = 38
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