View the step-by-step solution to:


An observational study is conducted to investigate the association between age and cholesterol. The correlation

is estimated at r=0.35. The study involves n=125 participants. The mean age is 44.3(10.0)years with an age range of 35-55 years, while the mean (std dev) total chol. is 202.8(38.4) Based on the regression equation Y=143.4+1.34x, estimate the cholesterol for a 45 yo person.

Top Answer

the cholesterol... View the full answer

Sign up to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question