Author Question: You have been asked to help draw a sample of students with the object being to evaluate a newly ... (Read 67 times)

torybrooks · **on:** Jul 1, 2018

You have been asked to help draw a sample of students with the object being to evaluate a newly proposed grading system. Which statement would you want to guide your sample selection?

a. With a population of 25,000 students, a sample of 25 is okay.
b. Since seniors are more experienced, only include seniors in the sample.
c. Randomly select a sample of 500 students from all students affected by the new grading system.
d. A random sample of 500 students from among those taking a sociology course will be used.

Question 2

Compared to Anglo Americans, Hispanics have lower rates of death from:

a. AIDS.
b. influenza.
c. heart disease.
d. acute illness.
e. arterial disease.