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
A girl named Alice fell asleep during a discussion about the difference quotient. She did not think it could possibly have anything to do with real life. While dreaming she saw

Ask question #MinimumAgency revenues. An economic consultant was retained by a large employment agency in a metropolitan area to develop a regression model for predicting monthly a

Analyze the given data using chi-square test and see if it fits the expected 9:3:3:1 F 2 phenotypic ratio.   Ho: Null hypothesis: The F 2 phenotypic ratio follows the

in my home work it is a balance sheet 12/31/2010 12/31/2009 accounts recievable 8000 10000 below it has letter a b c d e f-k wanting the letter with the explaination a

Stability Criterion A survey of periodic table carefully reveals that those elements in which N / Z = 1 or 1.6 are stable. Amongst these, the elements having even N and even Z ar

2. From the following cost, production and sales data of Decors Motor Ltd., prepare comparative income statement for three years under (i) absorption costing method, and (ii) margi


Quota Sampling: in stratified the cost of taking random samples from individual strata is often so expensive that interviewers are simply give quota to be filled from different str

difference between histogram and historigram

Classification feature of Accounting Transaction. Under the classification accountant posts the entries into their respective ledgers in the Accounts Books. Every Account entry