Assume a Rule That Is One of Several Methods Used $N ( d , L ) = \left( \frac { d - 2 } { 2 } \right) ^ { 2 }$

question 123

Multiple Choice

Assume a rule that is one of several methods used to determine the lumber yield of a log (in board-feet) in terms of its diameter d (in inches) and its length L (in feet) . The number of Board-feet is $N ( d , L ) = \left( \frac { d - 2 } { 2 } \right) ^ { 2 }$ . Find the number of board-feet of lumber in a log 28 inches in Diameter and $10 \text { feet in length. }$

• A)7,290 board-feet
• B)1,690 board-feet
• C)270 board-feet
• D)3,380 board-feet
• E)6,760 board-feet

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Definitions:

T-Distribution

A probability distribution that arises in the sampling distribution of the sample mean, especially when the sample size is small and the population variance is unknown.

Confidence Interval

A range of values, derived from sample data, that is believed to contain the true population parameter with a certain level of confidence.

Population Mean

The average value of a population set, calculated by summing all the members of the population and then dividing by the total number of members.

Student's T-Distribution

A statistical distribution utilized for predicting population characteristics when dealing with a small sample size and an unspecified population variance.