20 1 1 Guangdong college entrance examination mathematics 13 questions - Training Enrollment Network

20 1 1 Guangdong college entrance examination mathematics 13 questions

183.5cm

Generation height h

1 173

2 170

3 176

4 182

5 ?

Regression coefficient: 3.3, intercept of regression line: 167, regression equation: h=3.3d+ 167.

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