R= and the "pick" is moderate, strong or weak.

A researcher is trying to determine if cell phone usage affects health. The plot below shows the relationship between the number of minutes a day a subject spends on the phone and the number of days in a year the subject was sick. The linear regression output is shown below. 80 60 Regression Statistics Multiple R 0.16031 Number of sick days per year R Square 0.025699 Adjusted R Square -0.0091 20 Standard Error 21.09461 Observations 30 20 30 40 50 60 70 Daily cell phone usage (in minutes) R = Ex: 0.654321 + What is the correlation between daily cell phone usage and number of sick days? Pick correlation 2 Check Next