AgarioEdit
28.06.2021 •
Mathematics
Which of the following proportions can be used to solve the problem below?
Suppose you are using a photocopier to reduce the size of a picture that is 7
inches wide by 10 inches long. If you reduce the picture so that it is 6 inches
wide, how long will it be?
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Ответ:
Mean = sum of all observed values / sum of frequency
Mean= (1*2 +2*2 + 3*2 + 4*1 + 5*2 + 6*1) / (2+2+2+1+2+1)
Mean = 32 / 10
Mean = 3.2