pubhlth(1).docx

# pubhlth(1).docx - Question 1 0.7 out of 0.7 points Which of...

• 7
• 100% (1) 1 out of 1 people found this document helpful

This preview shows page 1 - 3 out of 7 pages.

Question 1 0.7 out of 0.7 points Which of the following is most likely to be considered an ordinal variable? ●●● Selected Answer: c. Education level ●●● Question 2 0.7 out of 0.7 points Suppose the true value of a measurement is 276.6 cm. Which of the following represents the most positively biased, and imprecise group of measurements? ●●● Selecte d Answer : d. Out of 20 observations, 5 are 281 cm, 5 are 286 cm, 5 are 291 cm, and 5 are 298 cm. ●●● Question 3 0.68 out of 0.68 points

Subscribe to view the full document.

Typically there is an attempt to control for bias in the design phase of an experimental study. However, regardless of how strong a design may be, there is always the chance for random error, or error due completely to chance, to occur. Which of the following scenarios describes the most well designed experiment? ●●● Sele cted Ans wer: c. An investigator needs to have an exact temperature for a specific reaction. He/she uses the “gold standard”
• Fall '17
• Edward Irobi
• English-language films, Following, Black-and-white films

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern