Mathematics, 06.06.2020 05:03, jahzz
"Find the coefficient of determination given that the correlation coefficient = -.39" (Give your answer as a decimal rounded to the ten thousandth decimal place.)
Answers: 3
![r=\frac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{[n\sum x^2 -(\sum x)^2][n\sum y^2 -(\sum y)^2]}}](/tpl/images/0678/3865/ec454.png)
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Timed***how else can the sequence for row 1 be written? notice: square a: 1 penny = 20 square b: 2 pennies = 21 square c: 4 pennies = 22 the sequence formed is geometric, with a1 = , and common ratio r = .
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