4. The annual incomes of the five vice presidents of TMV Industries are: $125,000;
$128,000: $122,000; $133,000; and $140,000. Consider this a population.
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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Answered by
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Answer:
A 18,000 IS RANGE.
B 129600 IS ARITHMETIC MEAN.
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