Wk-5 lab | Statistics homework help

Steps to Complete Week 5 Lab

Use the Weeks 3 and 5 spreadsheets from the Weeks 3 and 5
Lessons to help you answer the questions below.

Step 1: Your instructor will provide you with 10 values to use
for this lab.

Gather 10 MORE of your own to add to the 10 provided by
your instructor.  Do the following:

Survey or measure 10 people to find their heights. Determine the
mean and standard deviation for the 20 values 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 20
values? Is your height taller, shorter, or the same as the mean of
the sample?

Note: The following image is just an example. They are NOT
the values you should be using for your lab. Your instructor
should have sent you our data values for your Week 5 Lab.
Please reach out to your instructor if you do not have your
data values. 

• Data Example of 10 people with different heights

(your spreadsheet will have 20 values—10 from your
instructor and 10 from your own data gathering). 

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?
What was the sampling method: systematic,
convenience, cluster, stratified, simple random?

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?
5. What are other interesting factors about your group?

• 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 20 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.

• (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?

• 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”.

Requirements

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

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