The annual incomes of the five vice presidents of TMV Industries are $125,000; $128,000; $122,000; $133,000; and
Question:
a. What is the range?
b. What is the arithmetic mean income?
c. What is the population variance? The standard deviation?
d. The annual incomes of officers of another firm similar to TMV Industries were also studied. The mean was $129,000 and the standard deviation $8,612. Compare the means and dispersions in the two firms.
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a 18000 found by 140000 122000 b 129600 ...View the full answer
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Related Book For 
Statistical Techniques in Business and Economics
ISBN: 978-0078020520
16th edition
Authors: Douglas Lind, William Marchal
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