The scatter plot and summary statistics below are the results of a study to dete

Question

The scatter plot and summary statistics below are the results of a study to determine if there is an association between the life expectancy of a smoker and the number of cigarettes they smoke per day. This output comes from Excel software.

SUMMARY OUTPUT Longevity vs Smoking Multiple FR R Square Adjusted R Square Standard Error 0.7134 0.5090 0.4712 7.9747 15.0000 S5 ents Standard Error 85.7204 0.6282 Cigarettes Smoked (per dayl .9066 Use it to match the correct numbers to the statistics of interest. A. - 7The variation in longevity that can attributed to variation in the number of cigarettes smoked is be a negative linear association. B, 21.94 C3.67 D'y:-0.63 + 85.72x E. -The equation of Least Squares Regression Line for the data is - The t test statistic you would use to moderate positive linear association. for a test about the slope of the leatF.0.5090 squares regression line is The scatter plot and correlation value- is evidence of G-0.7134 H.y-85.72-0.63x 0.7134 - The correlation value is about

Explanation / Answer

1)variation in longevity ----- R square =0.5090 option F

2) equation of least square lne " yhat=85.72-0.63x option H

3)

the t test statsitic ---- =coefficient/std error =-0.6282/0.1711=-3.67 option C

4)

the scatter plot and correlation value is evidence of -- a negative linear assocation option A

5)

correlation value is about -- 0.7134 option I

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.