The reaction time of these subjects was tested by having them grab a meter stick after it was released by the tester. The number of centimeters that the meter stick dropped before being caught is a direct measure of the person’s response time.
the data.frame contains the three columns: `Age`, `Gender` and `Reaction.Time`
The values of `Age` are in years. The `Gender` is coded as `F` for female and `M` for male. The values of `Reaction.Time` are in centimeters.
(data are fictitious)