Question

Note that there are two parts to this problem. The following data represent a random sample...

Note that there are two parts to this problem.

The following data represent a random sample of earwig density (x) and the proportion of males that have forceps (y).

Earwig Density Proportion of Males with Forceps
0.25 0.05
5.3 0.1
12.6 0.67
22 0.19
25.4 0.04
32.3 0.53


Which of the following is the correlation coefficient?

A. 0.33
B. 0.17
C. 0.02
D. 0.8

Which of the following is the equation of the regression line?

A. y^=0.0072x+0.1452
B. y^=0.0072+0.1452x
C. y^=0.3319+0.1101x
D. y^=0.1101x+0.3319

Math   Statistics-And-Probability   
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