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Mathematics 18 Online
OpenStudy (anonymous):

Five members of the football team and five members of the track team ran the 100- meter dash. Their times are listed in the table below: Football Track 12.5 12.4 13.4 11.6 12.2 11.5 11.5 12.4 14.1 13.5 What is the difference of the means for the two groups? 12.74 12.28 0.46 25.02

ganeshie8 (ganeshie8):

find the mean of each group ?

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