Question

how to find combined mean​

Answer 1

Answer:

To calculate the combined mean:

1) Multiply column 2 and column 3 for each row,

2) Add up the results from Step 1,

3) Divide the sum from Step 2 by the sum of column 2.

Answer 2

Add the means of each group—each weighted by the number of individuals or data points,

Add the means of each group—each weighted by the number of individuals or data points,Divide the sum from Step 1 by the sum total of all individuals (or data points).

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