Math Problem Statement
Here is a bivariate data set.
xy
26.8
81.2
22.1
-38.9
40.5
106.5
7.1
14.9
34.8
76.4
42
104.6
25.7
85.9
24.9
59.6
30.8
109.8
15.9
88.8
47.9
62.3
17.9
30
Find the correlation coefficient and report it accurate to three decimal places. r =
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Correlation
Bivariate Data Analysis
Formulas
Pearson correlation coefficient formula: r = Σ((xi - x̄)(yi - ȳ)) / sqrt(Σ(xi - x̄)^2 * Σ(yi - ȳ)^2)
Theorems
Pearson's correlation theorem
Suitable Grade Level
Grades 10-12
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