Suppose you have a set of data points with a correlation of 0.85. What is the variance? A. Variance = √ r = 0.92195 B. Variance
1 answer:
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Answer: 6 students
What we know:
Students: 24
Students who play checkers:
Students who also play sudoku: of the
24 ÷ 3 = 8, so 8 × 2 = 16 (students who play checkers)
× 2 =
So the answer is,
6 students play both checkers and sudoku
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