$20$ Based on the obtajned R Square value, which of the following statements is true?

$74\mathrm{.}3\%$ of the variation in Oxy can be explained by Runtime.

The coefficient of determination is $86\mathrm{.}2.$

There is no relationship between Oxy and Runtime.

$86\mathrm{.}2\%$ of the variation in Runtime can be explained by Oxy.