SOLUTION: An exhaustive cataloging of all hardbound books at a college library revealed that the mean age was 42.6 years, with a standard deviation of 17.9 years. Recently, the librarian com
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Question 930637: An exhaustive cataloging of all hardbound books at a college library revealed that the mean age was 42.6 years, with a standard deviation of 17.9 years. Recently, the librarian commissioned a study to determine the condition of the books. A random sample of 500 books was assembled, and the mean age of this collection was found to be 58.2 years, with a standard deviation of 17.7 years.
A. Which of these numerical values are parameters?
A. 58.2 years
B. 42.6 years
C. 17.9 years
D. 17.7 years
B. Which of these numerical values are statistics?
A. 42.6 years
B. 17.7 years
C. 17.9 years
D. 58.2 years.
thank you! Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! Parameters:summarize data for an entire population.
Statistics: summarize data from a sample
A. 42.6 and 17.9are parameters (from entire population)
B. 58.2 and 17.7 are Statistics (from sample)
