Figure 35-3 ​ What Is the Age of the Twig in the Accompanying

question 8

Multiple Choice

Figure 35-3 ​

What is the age of the twig in the accompanying figure?

• A) 0 years
• B) 1 year
• C) 2 years
• D) 3 years
• E) 5 years

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Definitions:

T-Distribution

The T-distribution, or Student's t-distribution, is a probability distribution that estimates the population parameters when the sample size is small and the population standard deviation is unknown.

T Distribution

A statistical curve that shows the standard deviations of samples taken from a population and is used when the population standard deviation is unknown and the sample size is small.

Standard Normal Distribution

A normal distribution with a mean of zero and a standard deviation of one.

Population Mean

The sum of the values in the population divided by the number of values in the population.