A Random Sample of Size 10 Produced a Sample Mean

question 121

True/False

A random sample of size 10 produced a sample mean equal to 12 and a standard deviation equal to .15. Based on this information, the margin of error associated with a 90% confidence interval estimate for the population mean is 1.8331.

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Definitions:

Cenozoic

The current geological era, beginning about 66 million years ago, characterized by the dominant emergence of mammals.

Holocene

The current geological epoch, which started approximately 11,700 years ago after the last major ice age.

Carbon Dating

A method used to determine the age of an artifact or remains by measuring the amount of carbon-14 present, which decays over time.

Radiometric Dating

A method for determining the age of an object based on the decay rate of radioactive isotopes contained within it.