# 10: Confidence Interval for a Population Mean Given Data

Confidence Interval for a Population Mean Given Data

This calculator creates a confidence interval for a population mean given a set of data. Please report the error to Dr. Jessica Kuang at jkuangATvcccd.edu.

To learn how to use this calculator, please watch a short video here.

Input

Type in the values from the data set separated by commas, for example, 2,4,5,8,11,2.  Then type in the confidence level (CL) and hit Calculate.  Write the confidence level as a decimal.  For example, for a 95% confidence level, enter 0.95.

Data:

 Confidence Level (enter a decimal):

Output

 Sample Mean ($$\bar{x}$$): Standard Deviation ($$s$$): Lower Bound: Upper Bound: