A Large Group of Inductees Was Given a Mechanical Aptitude

question 97

Multiple Choice

A large group of inductees was given a mechanical aptitude and a finger dexterity test. The arithmetic mean score on the mechanical aptitude test was 200, with a standard deviation of 10. The mean and standard deviation for the finger dexterity test were 30 and 6 respectively. What is the relative dispersion in the two groups?

• A) Mechanical 5 percent, finger 20 percent
• B) Mechanical 20 percent, finger 10 percent
• C) Mechanical 500 percent, finger 200 percent
• D) Mechanical 50 percent, finger 200 percent
• E) None of the choices are correct.

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