Question
What are the big corporations doing with their wealth? One way to answer this question is...
What are the big corporations doing with their wealth? One way to
answer this question is to examine profits as percentage of assets.
A random sample of 50 Fortune 500 companies gave the
following information. Estimate the sample mean, sample variance,
and sample standard deviation for profit as percentage of assets.
(Round your answers to three decimal places.)
| Profit as percentage of assets | 8.6-12.5 | 12.6-16.5 | 16.6-20.5 | 20.6-24.5 | 24.6-28.5 |
| Number of companies | 13 | 18 | 5 | 3 | 11 |
Homework Answers
Answer #1
Mean = 17.030
Variance = 35.132
Standard Deviation = 5.927
Explanation:
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