[Informatics] How many records for a data set?

[Roland Gesthuizen]

I have been 'pushing / insisting / hinting / arm-waving' for at least 200 data points. Anything less could be a form of statistical torture upon the data analysis.

Sent from my iPhone

> On 12 May 2016, at 7:39 AM, Russo, Frank R <Russo.Frank.R at edumail.vic.gov.au> wrote:
> 
> Hi Scott and Group
>  
> It would be hard to put an exact number on it?
> I would assume enough data to support and otherwise their hypothesis, a critical part is depending on their topic how much data is available?
> The students have to choose but I have led my students toward things they have come up with and where they could find the data.
> Interesting to see what the rest of the group thinks?
>  
> Frank
>  
> Frank Russo
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> From: informatics-bounces at edulists.com.au [mailto:informatics-bounces at edulists.com.au] On Behalf Of McCleary Scott
> Sent: Wednesday, 11 May 2016 9:57 PM
> To: 'Year 12 VCE Informatics Teachers' Mailing List'
> Subject: Re: [Informatics] How many records for a data set?
>  
> Didn’t get a reply so though I’d try again.
>  
> How may records are people suggesting that students collect for their data?  What is a reasonable number to be able to manipulate and base a conclusion on?
>  
> Thanks,
>  
> Scott
>  
> From: informatics-bounces at edulists.com.au [mailto:informatics-bounces at edulists.com.au] On Behalf Of McCleary Scott
> Sent: Wednesday, 4 May 2016 8:50 PM
> To: 'Year 12 VCE Informatics Teachers' Mailing List'
> Subject: [Informatics] How many records for a data set?
>  
> Apologies if this has already been answered somewhere but I’m just wondering what sort of numbers of records students should be looking at for each data set?
>  
> i.e. how many unique pieces of data in each set?
>  
> Thanks,
>  
> Scott McCleary
> John Paul College
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