A market research company wishes to find out whether College of Idaho students prefer brand A or brand B of instant coffee. A random sample of students is selected, and each one is asked to try brand A first and then brand B (or vice versa, with the order determined at random). They then indicate which brand they prefer. (a) The response variable here is A. whether brand A or brand B is tried first. B. which brand they prefer. C. the identity of the student. D. None of the above. (b) This is an example of OA. an observational study, not an experiment. B. stratified sampling design. C. a matched-pairs experiment D. block design.
A market research company wishes to find out whether College of Idaho students prefer brand A or brand B of instant coffee. A random sample of students is selected, and each one is asked to try brand A first and then brand B (or vice versa, with the order determined at random). They then indicate which brand they prefer. (a) The response variable here is A. whether brand A or brand B is tried first. B. which brand they prefer. C. the identity of the student. D. None of the above. (b) This is an example of OA. an observational study, not an experiment. B. stratified sampling design. C. a matched-pairs experiment D. block design.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A market research company wishes to find out
whether College of Idaho students prefer brand A or
brand B of instant coffee. A random sample of students
is selected, and each one is asked to try brand A first
and then brand B (or vice versa, with the order
determined at random). They then indicate which brand
they prefer.
(a) The response variable here is
A. whether brand A or brand B is tried first.
B. which brand they prefer.
C. the identity of the student.
D. None of the above.
(b) This is an example of
A. an observational study, not an experiment.
B. stratified sampling design.
C. a matched-pairs experiment
D. block design.
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