| Confidence Interval |
| | | Confidence Interval for µ | | | | | | | | Confidence Interval for p |
| | | | Confidence Level | | (decimal) | | | | | | Confidence Level |
| | | | n | | | | | | | | n |
| | | | Mean | | | | | | | | Number of Successes |
| | | | StDev | | NOTE: | | | | | | OR |
| | | | Use t or z? | | If sample standard deviation is known, use t. | | | | | | Sample Proportion |
| | | | | | If population standard deviation is known, use z. |
| | | | SE | ERROR:#DIV/0! | (Stdev / sqrt(n)) | | | | | | Sample Proportion | ERROR:#DIV/0! |
| | | | | N/A | (critical value of z) | | | | | | SE | ERROR:#DIV/0! |
| | | | Margin of Error | ERROR:#DIV/0! | | | | | | | z | 0.000000 |
| | | | Lower Limit | ERROR:#DIV/0! | | | | | | | Margin of Error | ERROR:#DIV/0! |
| | | | Upper Limit | ERROR:#DIV/0! | | | | | | | Lower Limit | ERROR:#DIV/0! |
| | | | | | | | | | | | Upper Limit | ERROR:#DIV/0! |
| | | Minimum Sample Size μ | | | | | | | | Minimum Sample Size p |
| | | | Confidence Level | | | | | | | | Confidence Level |
| | | | StDev | | | | | | | | Proportion |
| | | | Error | | | | | | | | Error |
| | | | z-Value | N/A | | | | | | | z-Value | N/A |
| | | | Minimum Sample Size | ERROR:#VALUE! | | | | | | | Minimum Sample Size | ERROR:#VALUE! |
| | | | | t | Do not |
| | | | | z | change |
mygoogle2
Week_4_Confidence_Interval_Calculator_11202019.xlsx
