Notes :its complete data Also Put data in Excel..

Question How to put data in excel and find the confidence interval. In this Assignment:

1) Firstly define your requirement i.e I am going to check the mobile expenses of each student in my class.

2) Select a sample of at least 30 respondents.

3) Put the data in Excel

4) Find the Mean, Standard Deviation and Skewness in Excel.

5) Find the Margin of Error

6) Find the 95% Confidence Interval for the Mean

(Note: First 4 requirements have to be done on excel and 5th and 6th requirement can be done on the page and submit the picture. Also write explanations with it)