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Find the Mean 40000 , 40200 , 41300 , 39800 , 41300 , 40300 , 39900

$40000$ ,

$40200$ ,

$41300$ ,

$39800$ ,

$41300$ ,

$40300$ ,

$39900$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{40000 + 40200 + 41300 + 39800 + 41300 + 40300 + 39900}{7}$

Step 2

Simplify the numerator.

Add

$40000$ and

$40200$ .

$\frac{80200 + 41300 + 39800 + 41300 + 40300 + 39900}{7}$

Add

$80200$ and

$41300$ .

$\frac{121500 + 39800 + 41300 + 40300 + 39900}{7}$

Add

$121500$ and

$39800$ .

$\frac{161300 + 41300 + 40300 + 39900}{7}$

Add

$161300$ and

$41300$ .

$\frac{202600 + 40300 + 39900}{7}$

Add

$202600$ and

$40300$ .

$\frac{242900 + 39900}{7}$

Add

$242900$ and

$39900$ .

$\frac{282800}{7}$

Step 3

Divide

$282800$ by

$7$ .

$40400$