If the average of 10 observations a1, a2, a3 …., a10 is b, then which of the following will be the average of a1-11, a2-11, a3-11, ……, a10-11?
Question
Solution 1
The average of a set of numbers is calculated by adding all the numbers together and then dividing by the count of numbers.
Given that the average of 10 observations a1, a2, a3 …., a10 is b, this can be written as:
(a1 + a2 + a3 + ... + a10) / 10 = b
Multiply both sides by 10 to get rid of the d Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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