The coefficient of determination (r2) tells us
1. that the coefficient of correlation (r) is larger than 1.
2. whether r has any significance.
3. that we should not partition the total variation.
4. the proportion of total variation that is explained.

The variable in a relation who’s value depends on the value of the independent variable is called what?

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Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.