MATH 211 Week 2 Discussion 2 | Assignment Help | Embry Riddle Aeronautical University
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- 04 May 2021
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MATH 211 Week 2 Discussion 2 | Assignment Help | Embry Riddle Aeronautical University
Module 2 -
Discussion: Standard Deviation
For
this discussion activity, you will use an applet that deals with the standard
deviation of a numerical data set.
Be sure that you
completed the applet/discussion on Mean
vs Median before doing this activity.
Standard Deviation = The standard deviation is a number that
measures how far a typical observation is from the mean.
Run Applet
Navigate
to the Standard Deviation (Links to an external site.) applet and
follow these instructions:
1. Prepare the applet for
use.
o Select the “Add point”
button and enter a value of 0 in the input box, then select “OK”.
o Repeat the above step
to enter the value 20.
o Select the
“Reset” button to remove the data points, but leave the axis between 0 and 20.
2. Create Set A.
o Insert eight data
points approximately evenly spaced between 0 and 20.
o Record the standard
deviation of Set A.
o Select the “Reset”
button to clear the data.
3. Create Set B.
o Insert all eight data
points very close to 10 on the number line.
o Record the standard
deviation of Set B.
o Select the “Reset”
button to clear the data.
o Insert four points
close to 0 and four points close to 20.
o Record the standard
deviation of Set C.
Post
1. Which data set has the
lowest standard deviation?
2. Which has the highest?
3.
Is this what you expected? Why or why not?
USA 
India