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2-digit numbers less than 91 which are 1 less than a multiple of 10

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.