Prepares reports on gasoline prices , Basic Statistics

The average cost of a gallon of unleaded gasoline in Greater Cincinnati was reported to be $2.41 (The Cincinnati Enquirer, February 3, 2006). During periods of rapidly changing prices, the newspaper samples service stations and prepares reports on gasoline prices frequently. Assume the standard de-viation is $.15 for the price of a gallon of unleaded regular gasoline, and recommend the appropriate
sample size for the newspaper to use if they wish to report a margin of error at 95% con dence.

a. Suppose the desired margin of error is $.07.
b. Suppose the desired margin of error is $.05.
c. Suppose the desired margin of error is $.03.

Posted Date: 3/30/2013 7:40:42 AM | Location : United States







Related Discussions:- Prepares reports on gasoline prices , Assignment Help, Ask Question on Prepares reports on gasoline prices , Get Answer, Expert's Help, Prepares reports on gasoline prices Discussions

Write discussion on Prepares reports on gasoline prices
Your posts are moderated
Related Questions
types of netwoths

The descriptive statistics outputs for both the variables are as below: Wii Group Mean 95.8 Standard

What do you mean by Purchase Return? Give an example. Ans.  Sometime the goods an organization orders are not up to the mark and they are not supposed to keep or accept so th

AMOUNT AVAILABLE IN DEBT SERVICE FUNDS An "other debit" common journal value used in the General Long-Term Bills Additional Consideration that designates the quality of resources

variable cost per unit remain constent why

Distinction between Management and Financial Accounting The variations between control sales and financial sales include Control sales provides details to individuals within a

Have Minitab run a multiple linear regression to predict the margin of victory using the four predictors (home team record, away team record, stat1diff, stat2diff). Store the resi

Question: (a) Suppose that 100 tires made by Bridgestone last on average 21,819 miles with a standard deviation of 1,295 miles. Test the null hypothesis µ = 22, 000 miles again

can we polarize sunlight by the help of Polaroid disc?