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Q1) What method of data collection would you use to gather date for study of salaries of college professors at a particular college?
a) Take a census
b) Do an experiment
c) Use a simulation
d) Use sampling
Q2) After polling every 8^{th} graduate, a major university estimated annual salary of its alumni to be $103,000. What sampling technique was used?
a) Systematic
b) Stratified
c) Cluster
d) Convenience
e) random
Q3) Assume the standard deviation is 12.4. Determine the variance?
a) 3.52
b) 12.4
c) 14.6
d) 153.76
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