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Algebra_3

Chapter 64

Problem 4

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warm test tubes had bacteria sites growing in them.
cold test tubes had bacteria sites growing in them.
What was the overall average N of bacteria sites in all of the test tubes?

The overall average of bacteria sites N =




Example:

The average weight of the first 6 pumpkins was 15 pounds.
The average weight of the next 14 pumpkins was 30 pounds.
What was the overal average weight Wave of the pumpkins?

The overall mean (average) can be written as click refresh (F5)

Try this solution by entering (6*15 + 14*30)/(15 + 30) into the Graphing Calculator below in the Function f(x) = box .
Click on the Plot Graph button.
The answer will appear below the Function f(x)=box as f(x) = 11.333...