The number of observations in a group is 40. If the average of first 10 observations is 4.5 and the next 30 observations is 3. Find the average of whole group.
Question
Solution 1
To find the average of the whole group, we need to find the total sum of all observations and then divide it by the total number of observations.
Step 1: Find the sum of the first 10 observations The average of the first 10 observations is 4.5, so the total sum of these observations is 4.5 * 10 = 4 Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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