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What factors should you consider when determining the best graph or display to represent a given set of data? In your answer, choose a set of data relevant to your life and explain the best way to display it.

- anonymous

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- katieb

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- Michele_Laino

I'm pondering...

- anonymous

ok, loaded @Michele_Laino

- Michele_Laino

generally, in order to draw the best line of a set of experimental data, we apply the least ssquare method. In order to apply that method, it is necessary to know the uncertainties of the measures of at least a quantity

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## More answers

- anonymous

Is that the answer for the the "What factors should you consider when determining the best graph or display to represent a given set of data?"?

- anonymous

@Michele_Laino

- Michele_Laino

I think that a factor can be the precision or accuracy, used to make the measures of the quantities involved in our experiment

- anonymous

okay, @Michele_Laino

- anonymous

what do we do? @Michele_Laino

- Michele_Laino

:)

- anonymous

I dont understand? @Michele_Laino

- Michele_Laino

we have to keep all the measures, and then we have to apply the formulas about the least squares method

- anonymous

I dont know HOW to do this AT ALL. @Michele_Laino

- Michele_Laino

your question is a generic question, I need more information about it

- anonymous

The assessment for this lesson is a discussion about the following topic:
What factors should you consider when determining the best graph or display to represent a given set of data? In your answer, choose a set of data relevant to your life and explain the best way to display it.
You are required to thoughtfully respond to the topic according to the guidelines in the rubric below. Be sure to return to this page from time to time so that you can respond to classmates’ comments as well.
@Michele_Laino

- Michele_Laino

can you post those guidelines, please?

- anonymous

i just posted them?

- anonymous

@Michele_Laino

- Michele_Laino

yes, thanks!

- anonymous

no problem @Michele_Laino

- Michele_Laino

ok!

- anonymous

So?? @Michele_Laino

- Michele_Laino

Sorry, I don't see them!

- anonymous

What factors should you consider when determining the best graph or display to represent a given set of data? Then just use something from real life to explain it @Michele_Laino

- Michele_Laino

please wait a moment, I'm searching for an example into my textbook

- campbell_st

you need to look at the type of data.
is the data categorical or quantitative...
it the data is quantitative is it discrete or continuous.
is the data nominal or ordinal...
so these things determine which is the best graph to use...

- anonymous

@campbell_st idkh...

- campbell_st

the educational section of the Australian Bureau of Statistics have information on types of data and graphs
http://www.abs.gov.au/websitedbs/cashome.nsf//Home/Entry+Page.es?opendocument#from-banner=GT
its the top item in AC Support
hope it helps

- campbell_st

as an example.... the type of car you drive is categorical data.
you could put that into a sector graph or divided bar graph

- Michele_Laino

this is my example:
if the volume of a sample of gas is held constant, then the temperature T of that gas depends on the pressure P of the same gas, so we can write this:
\[T = A + BP\]
Now we have to make some measures of temperature T of the gas and some measure of the corresponding pressures of that gas. Then using the least square method we can find the values of the coefficient s A and B

- Michele_Laino

measures*

- campbell_st

But is that a data set.... or a table of values from a model..? @Michele_Laino

- Michele_Laino

It is an example, if you want I can provide the table of the corresponding measures

- anonymous

yes please @Michele_Laino

- anonymous

@Michele_Laino

- Michele_Laino

please wait

- campbell_st

A simple question @xPastelx
does this relate to statistics and data...?
if it does go and look at the link I gave you... it has a fabulous summary of what is needed for different data types

- Michele_Laino

#test pressure P (mm of Hg) Temperature T (°C) A+BP
1 65 -20 -22.2
2 75 17 14.9
3 85 42 52
4 95 94 89.1
5 105 127 126.2

- Michele_Laino

sorry I restart

- Michele_Laino

#test Pressure Temperature A+BP
1 65 -20 -22.2
2 75 17 14.9
3 85 42 52
4 95 94 89.1
5 105 127 126.2

- Michele_Laino

the temperature are measured in celsius degrees, whereas the pressures are measured in mm of Hg

- Michele_Laino

from those data we get the subsequent values of the coefficients A and B:
A=-263.35
B=3.71
as I said before, in order to get those values, we have to apply the least squares method

- campbell_st

but what happens @Michele_Laino if the data is a set of quiz results
15, 30, 40, 100, 98, 55, 65,....
that's a data set... how would you graph them..?

- anonymous

here's someones elses example of it
The best graph i would use is a bar graph between my school work to see which lesson i do most Math, science, LA , SS.

- anonymous

@Michele_Laino

- Michele_Laino

the bar graph is another type of graph. We can use that type of graph when we have to show the distribution of the sample of a population of a school with respect to the subjects teached in that school

- anonymous

So?? What's the answer? @Michele_Laino

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