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Algebra_4

Chapter 82

Problem 5

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The sum of the masses of three lead samples was
grams and the first two sample masses were
grams and grams.
What was the average mass M for all of the lead samples?


The average mass of all the lead samples M = grams.




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...