### Description

**Initial Post Instructions**

__Week 5 Graded Discussion:__

Log onto website where you can observe your service bill for the last 12 months (electric bill, cell phone bill, water bill, etc.). If you do NOT feel comfortable sharing this data, you can make up values.

In excel, list the values of your bill for the last 12 months on one column.

Find the sample mean and sample standard deviation of your data.

Pick three bills from the last 12 months and change the values into z-scores. What does the z-score tell you about that particular month?

Analysis

- Between what two values would be considered a normal bill? Remember, being within 2 Standard Deviations is considered normal.
- Are any of your bills in the last 12 months unusual? Very unusual?
- Are there times when you would accept an "unusual" bill? Explain.

## Explanation & Answer

View attached explanation and answer. Let me know if you have any questions.I have included the excel file so you can also look at the formulars for the values used in the word docuemnt.If there's no further work to be done. I'd really appreciate if you could leave a 5 star⭐ ⭐ ⭐ ⭐ ⭐ review for me on Studypool.Bye for now!😉

Week 5 Graded Discussion

Name

Course

Instructor

11/23/2021

Part 1 - Excel

1. For this discussion, I used my utility bills for the last...