At a Sawmill in Oregon, a Process Improvement Team Measured

question 71

Multiple Choice

At a sawmill in Oregon, a process improvement team measured the diameters for a sample of 1,500 logs. The following summary statistics were computed: Given this information, for a box and whisker plot which of the following statements is appropriate?

• A) Seventy-five percent of the trees in the sample have values between 8.9 in. and 15.6 in.
• B) Virtually all of the data should fall between 0 in. and 25.65 in.
• C) No tree will have a diameter of more than 22.3 in.
• D) Fifty percent of the trees will have diameters between 13.5 in. and 15.6 in.

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Definitions:

Genetic Profile

A unique code of genes that an individual inherits from their parents, which can determine certain characteristics and susceptibility to diseases.

Ventral Striatum

A part of the brain involved in the reward system, playing a key role in motivation, emotion, and reinforcement learning.

Serotonin Levels

Concentrations of the neurotransmitter serotonin in the body, which can affect mood, emotion, sleep, and appetite.

Impulsivity

A predisposition towards spontaneous action, exhibiting patterns of behavior without deliberate planning or concern for the aftermath.