20 Jan Are any of your bills in
MATH399 Applied Managerial Statistics
Week 5 Discussion
Interpreting Normal Distributions
Read/review the following resources for this activity:
Textbook: Chapter 6 (All Sections)
Lesson
Minimum of 1 scholarly source
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.
Follow-Up Post Instructions
Respond to at least two peers or one peer and the instructor. Further the dialogue by providing more information and clarification.
Here are some suggested responses–
Compare and contrast your post with a post of a peer.
Explain what you learned by participating in this week’s discussion.
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