3 years ago

BRAINLIESTTT ASAP!!! PLEASE HELP ME :)

Mathematics

1 answer:

astra-53 [7]3 years ago

8 0

<h3>Answer: 2.25</h3>

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Explanation:

Multiply the values in the second and third columns. Do this row by row.

Row1: 3*20 = 60

Row2: 2*12 = 24

Row3: 1*6 = 6

Row4: 0*2 = 0

Add up the products to get 60+24+6+0 = 90

Then divide this by the total frequency 20+12+6+2 = 40 to get 90/40 = 2.25

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