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Pine seedlings stats problem
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Investigators planted pine seedlings in a greenhouse in either full light or light reduced to 5% of normal by shade cloth to determine how well these pines grow in shade. At the end of the study, they dried the young trees and weighed them. I. What is the population? II. What is the sample? III....
Stats homework problem -- percentage
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Assume that the average annual salary for a worker in the United States is $28,500 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $6,250. Find the following: (A) What percentage of Americans earn below $18,000? (B) What percentage of... View more questions Search
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