MATH120

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Initial Post Instructions:

1. Choose a data set of fuel prices from the attached Excel file.  

2. Find the mean and standard deviation for the data set.  Please do not try to do this by hand, but use the functions in Excel. 

3. Find the 95% Confidence Interval for your data.  

PLEASE PUT THE ANSWER ON A WORD DOCUMENT, IT SHOULD LOOK LIKE THIS

I went with data set:

Mean:

Standard deviation:

E value:

Mean+:

Mean-: