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A traffic safety officer conducted an experiment to determine whether there is a correlation between people's ages and driving speeds.Six individuals were randomly sampled and

A traffic safety officer conducted an experiment to determine whether there is a correlation between people's ages and driving speeds.Six individuals were randomly sampled and the following data were collected.

AgeY

20 25 45 46 60 65

SpeedX(mph)

60 47 55 38 45 35

The proportion of variability ofYaccounted for byXis _________

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