Question

45. Plywood Inc. reported these returns on stockholder equity for the past 5 years: 4.3, 4.9.
7.2. 6.7, and 11.6. Consider these as population values.
a. Compute the range, the arithmetic mean, the variance, and the standard deviation.
b. Compare the return on stockhoider equity for Plywood Inc. with that for Dennis Indus-
tries cited in Exercise 44.
46. 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 stud-
ied. The mean was $129,000 and the standard deviation $8,612. Compare the means
and dispersions in the two firms.​

Answer 1

Answer:

“ज़िन्दगी को समझना हो तो पीछे देखो !

अगर जीना हो तो आगे देखो !!”

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