The average age in a sample of 190 students at City College is 22. As a result of this sample, it can be concluded that the average age of all the students at City College   Question 1 options:

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.3: Conditional Probability; Independent Events; Bayes' Theorem
Problem 80E
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The average age in a sample of 190 students at City College is 22. As a result of this sample, it can be concluded that the average age of all the students at City College
 
Question 1 options:
 
must be more than 22, since the population is always larger than the sample
 

is 22 since the sample mean is an unbiased estimator of the population mean

 
could be larger, smaller, or equal to 22
 
must be less than 22, since the sample is only a part of the population
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