SOLUTION: 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 ga

Click here to see ALL problems on Probability-and-statistics

Question 442257: 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.
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 14 16 7 6 7
Estimate the sample mean, sample variance, and sample standard deviation for profit as percentage of assets. (Round your answers to one decimal place.) x = % of assets
s2 =
s = % of assets

Found 2 solutions by alinetest, paulgrasso:
Answer by alinetest(1) (Show Source):
You can put this solution on YOUR website!

Answer by paulgrasso(1) (Show Source):
You can put this solution on YOUR website!
x