SOLUTION: The earnings per share (in dollars) for 12 companies selected at random from the list of Fortune 500 companies are : 2.35 1.42 8.05 6.71 3.11 2.56 .72 4.17 5

Question 868997: The earnings per share (in dollars) for 12 companies selected at random from the list of Fortune 500 companies are :
2.35 1.42 8.05 6.71 3.11 2.56 .72 4.17 5.33 7.74 3.88 6.21
Find the mean, variance, and standard deviation for this data. (Use the sample standard deviation formula.)

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

2.35 1.42 8.05 6.71 3.11 2.56 .72 4.17 5.33 7.74 3.88 6.21 

mean = 4.3542

Variance = 5.9935

SD = 2.4482 

RELATED QUESTIONS

Two companies with top revenues In the fortune 500 list for 2012 were ExxonMobil and... (answered by macston)
The two companies with top revenues in the Fortune 500 list for 2005 were Exxon Mobil and  (answered by tutorcecilia)
I need to understand how to do the step to get the answer, for future question.

What... (answered by ewatrrr)
In a survey of companies in the sector of small industries, it was found that only 50% of  (answered by ewatrrr)
A financial company has determined that the price-to-earnings ratios for 20 randomly... (answered by jrfrunner)
7.   Among companies doing highway or bridge construction, 80% test employees for... (answered by stanbon)
Mary Jo spends $800 to buy stock in two companies. She pays $12 a share to one of the... (answered by jorel1380)
  Mr. William Profit is studying companies going public for the first time. He is          (answered by marmar7)
Chapter 11: Exercise 11.2 (ANOVA)
11.2 One particular morning, the length of time spent... (answered by stanbon)