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Required Resources

Read/review the following resources for this activity:

• OpenStax Textbook: Chapter 2, 6, and 7
• Lesson
• Weeks 3 and 5 Excel Spreadsheets

Scenario/Summary

This week’s lab highlights the use of probability and normal distribution.

Follow the directions below to gather data, calculate using Excel spreadsheets, and interpret the results.

Deliverables

The deliverable is a Word document with your answers to the questions posed below based on the data you find.

Required Software

• Microsoft Word
• Microsoft Excel

Steps to Complete Week 5 Lab

Step 1: Survey or measure 10 people to find their heights. Determine the mean and standard deviation for this group by using the Week 3 Excel spreadsheet. Post a screen shot of the portion of the spreadsheet that helped you determine these values. How does your height compare to the mean (average) height of the group that you surveyed? Is your height taller, shorter, or the same as the mean of your group?

Step 2: Give some background information on the group of people you used in your study. You might consider using the following questions to guide your answer.

1. How did you choose the participants for your study (sampling method)?
2. What part of the country did your study take place in?
3. What are the age ranges of your participants?
4. How many of each gender did you have in your study?

Step 3: Use the Week 5 Excel spreadsheet for the following.

1. (Use the Empirical Rule tab from the spreadsheet). Determine the 68%, 95%, and 99.7% values of the Empirical Rule in terms of the ten heights in your height study.
2. What do these values tell you?
3. Post a screen shot of your work from the Week 5 Excel spreadsheet.
4. (Use the normal probability tab from the spreadsheet). Based on your study results, what percent of the study participants are shorter than you? What percent are taller than you?
5. Post a screen shot of your work from the Week 5 Excel spreadsheet.

Example: If my height is 73 inches, then 20.86% of the relevant population is shorter. The other 79.14%, of course, is taller.

Step 4: Be sure your name is on the Word document, save it, and then submit it under “Assignments” and “Week 5: Lab”.

This activity will be graded based on the Week 5 Lab Rubric.

Course Outcomes (CO): 3, 4, 5

Criteria Ratings Pts

This criterion is linked to a Learning OutcomeMeasures of Central Tendency and Variation

 12.0 pts Addresses all elements of the following: *10 height values *mean of data *standard deviation of data *screenshot of values calculated on spreadsheet *comparison of heights 10.2 pts Addresses 4 out of 5 of the following: *10 height values *mean of data *standard deviation of data *screenshot of values calculated on spreadsheet *comparison of heights 8.4 pts Addresses 3 out of 5 of the following: *10 height values *mean of data *standard deviation of data *screenshot of values calculated on spreadsheet *comparison of heights 6.6 pts Addresses 1 or 2 out of 5 of the following: *10 height values *mean of data *standard deviation of data *screenshot of values calculated on spreadsheet *comparison of heights 0.0 pts No Effort

12.0 pts

This criterion is linked to a Learning OutcomePopulation Data and Sampling Techniques

 15.0 pts Addresses all elements of the following: *Sampling method *Location *Age group of participants *Gender of participants *Other factors about participants 12.75 pts Addresses 4 out of 5 of the following: *Sampling method *Location *Age group of participants *Gender of participants *Other factors about participants 10.5 pts Addresses 3 out of 5 of the following: *Sampling method *Location *Age group of participants *Gender of participants *Other factors about participants 8.25 pts Addresses 1 or 2 out of 5 of the following: *Sampling method *Location *Age group of participants *Gender of participants *Other factors about participants 0.0 pts No Effort

15.0 pts

This criterion is linked to a Learning OutcomeProbability, and Measures that would follow a normal distribution in life sciences

15.0 pts

This criterion is linked to a Learning OutcomeGrammar and Formatting

 8.0 pts Lab is easy to read and presents material in a logical order with no grammatical errors. 6.8 pts Lab is easy to read and presents material in a logical order. There are a few grammatical errors but they do not distract from readability. 5.6 pts Lab is easy to read and has few grammatical errors, but it is not logically organized. 4.4 pts There are significant grammatical errors and organizational issues that distract from readability. 0.0 pts No Effort

8.0 pts

Total Points: 50.0

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