Choose a data set of fuel prices from the attached Excel file. ? Find the mean and standard deviation for the data set. ?Please do not try to do this by hand, but use the functio
- Choose a data set of fuel prices from the attached Excel file.
- 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.
- Find the 95% Confidence Interval for your data.
Response Post Instructions:
Respond to two of your classmates by analyzing what the confidence interval means in this scenario and how this data can be used. And then compare how the results vary between the different data sets.
Sample initial post:
- First find the mean and standard deviation. (Refer to video in week 2 discussion.)
- Then type this in an excel cell =confidence.norm(0.05,stdev,samplesize) and hit enter. This is the E value. (Note: please use your standard deviation and sample size and not the words.)
- Set up your confidence interval: (mean-E, mean+E)
The formula is E= zsubc * sigma / sqrt n
Where the left hand endpoint is xbar – E and the right hand endpoint is xbar + E
To earn full credit for this discussion, you must respond to at least two (2) of y
[removed]
Collepals.com Plagiarism Free Papers
Are you looking for custom essay writing service or even dissertation writing services? Just request for our write my paper service, and we'll match you with the best essay writer in your subject! With an exceptional team of professional academic experts in a wide range of subjects, we can guarantee you an unrivaled quality of custom-written papers.
Get ZERO PLAGIARISM, HUMAN WRITTEN ESSAYS
Why Hire Collepals.com writers to do your paper?
Quality- We are experienced and have access to ample research materials.
We write plagiarism Free Content
Confidential- We never share or sell your personal information to third parties.
Support-Chat with us today! We are always waiting to answer all your questions.
