The arithmetic mean of a set of 40 values is 65.if each ofvthe 40 value is increase by 5..what the new mean of the set
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AM = (Sum of 40 numbers)/40 = 65
Sum of 40 numbers = 65 * 40 = 2600
When each of the values increase by 5, total increase = 40 * 5 = 200
Therefore, New sum = 2600+200 = 2800
New mean = 2800/40 = 70
Sum of 40 numbers = 65 * 40 = 2600
When each of the values increase by 5, total increase = 40 * 5 = 200
Therefore, New sum = 2600+200 = 2800
New mean = 2800/40 = 70
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29
new mean will be 70
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