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Для даних y=: 4,5,6,8,11,11,12,15,17,20 х1=: 3,4,5,7,9,10,11,12,13,14 і х2=7,9,1...
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Для даних y=: 4,5,6,8,11,11,12,15,17,20 х1=: 3,4,5,7,9,10,11,12,13,14 і х2=7,9,11,12,12,15,18,21,22,24 записати коефіцієнт кореляції Rx1x2
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