Rating Tobacco Leaves An experiment was conducted to study the relationship between...

Rating Tobacco Leaves An experiment was conducted to study the relationship between the ratings of a tobacco leaf grader and the moisture content of the tobacco leaves. Twelve leaves were rated by the grader on a scale of 1–10, and corresponding readings of moisture content were made.

Calculate . Do the data provide sufficient evidence to indicate an association between the grader’s ratings and the moisture contents of the leaves?