MATH 328 Week 5 Discussion | Assignment Help | american-public-university-system
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MATH 328 Week 5 Discussion | Assignment Help | american-public-university-system
Week 5 Forum: Jointly Distributed Random
Variables / Jointly Distributed Random Variables in
Real Life
Jointly Distributed
Random Variables in Real Life
Following on our
discussion over the last two weeks of discrete and continuous random variables,
this week we will take a look at jointly distributed random variables. Joint
distributions are simply those which involve two or more variables at the same
time, so that the question inevitably arises of how much the observed variation
can be attributed to each variable. They are found in such real world
applications as predicting sales levels, advertising analysis, medical and
scientific research, predicting factory output reliability – pretty much
anywhere that more than one variable might be driving the outcome of a process.
This week let’s talk
about joint random variables and how they are used in business, science and/or
the military. What are some typical real world situations where you find joint
random variables being used? Pick one such situation and describe it in some
detail. What was the most interesting thing you learned about how joint random
variables are being used?
Please try, if
possible, to pick a situation to discuss that nobody else has explored in depth
yet. Put the application you chose to explore in the subject line heading of
your initial post (for example, “Jointly distributed random variables used to
model advertising effectiveness of toothpaste ads”).
Our textbook does not
have any separate section devoted to real world applications, but you can
peruse the chapter – and especially the problems at the end of the chapter –
for ideas of how joint distributions are utilized. Another excellent source of
information is the internet. When you search online, some good websites to try
are (but don’t limit yourself to these, there are many other websites you can
use):
and
Be sure to include the
source(s) you use in your post.
Instructions: Your
initial post should be at least 250 words. In addition, please respond to at
least 2 other students. Your responses should help develop discussion around
the topic/feedback that your classmate presented. Responses to students should
be a minimum of 100 words each.
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