1 Answered Questions for the topic population standard deviation

Population Standard Deviation Statistics

04/25/20

Is there enough evidence, at the α = 0.05 level of significance, to suggest the standard deviation is not 3.1 ounces?
A manufacturer of soda fountain machines claims its machine dispense liquid with a standard deviation of 3.1 ounces. A random sample of 20 machines found the standard deviation to be 4.6 ounces. Is... more
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