A multinational company has defended its profitablity record by claiming that the average return on capital has fallen significantly from 5 years ago when it was 15.1%. The rates of return on capital for 8 randomly chosen divisions of the company are given below. Is there evidence at the 5% level of significance to conclude that the company is correct? Assume the return on capital is normally distributed.
Dept A
Percentage return on capital 14.0%
Dept B
Per.ROC 13.1%
Dept C 9.3% Dept D14.0% DeptE 10.5% Dept F 15.8% Dept G 15.4% Dept H 15.2%
2006-11-26 14:37:52 · 1 answers · asked by Prettytrinigyal 3 in Education & Reference ➔ Homework Help
No the evidence is only 1.75%←
oops it is 1.67
Your email address is not confirmed so I cannot send you how I did it. If you confirm the address with yahoo I will email you if you email me again asking me to. Good luch with your math.
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2006-11-27 19:13:40 · answer #1 · answered by # one 6 · 0⤊ 0⤋