Lies, damned lies and statistics

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Tizer
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Re: Lies, damned lies and statistics

Post by Tizer » 06 Jan 2018, 10:55

The text of the Guardian article contains a more balanced interpretation than the graphic shows: `The 2,715 penalties issued to 2,585 students represent just 0.015% out of more than 18m exam entries. In 2016, a total of 2,180 students were caught, a rate of 0.011%.'

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Re: Lies, damned lies and statistics

Post by plaques » 06 Jan 2018, 13:16

Remembering my old student days, all pre calculator, you could use your own slide rule, generally the log, log, type and if you were really up there at the cutting edge of technology it could have various other slide functions on the back. Any rules sporting formulie or equations were swapped for a bog standard stick which put you at a disadvantage. Log tables, and who remembers those, were supplied. Half your exam time was spent just number crunching which was just total nonsense really. Times have moved on for the better I think.

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Re: Lies, damned lies and statistics

Post by PanBiker » 06 Jan 2018, 13:55

Non programmable calculators are allowed where the exam calls for it although case lids have to be removed and placed upside down on the floor as most have formulae cribs etc. If you mentioned log tables and slide rules to today's kids they wouldn't have a clue what you were talking about.
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Re: Lies, damned lies and statistics

Post by Stanley » 07 Jan 2018, 03:54

Bit different than in my time 70 years ago........
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Re: Lies, damned lies and statistics

Post by Stanley » 08 Jan 2018, 05:27

On the BBC News last night the announcer commented on the Iranian oil tanker fire and said the ship was carrying 'A million tons of light crude'. I don't think so! A bit of fact checking needed I think!
Later, I've done some fact checking for them, 136,000 tons seems to be a more credible figure. Bit of a difference!
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Re: Lies, damned lies and statistics

Post by PanBiker » 08 Jan 2018, 22:34

The load is the equivalent of 1 Million or thereabouts barrels according to the reports today.
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Re: Lies, damned lies and statistics

Post by Stanley » 09 Jan 2018, 03:21

I thought they'd perhaps done that, mixed up their barrels and tons. I heard an expert on tanker fires on R4 yesterday and he said that contrary to usual practice the least polluting option was to encourage it to burn.....
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Re: Lies, damned lies and statistics

Post by Tizer » 09 Jan 2018, 11:01

Approximate figures...
1 barrel = 42 us gal = 138kg
1 million barrels = 138 million kg = 138,000 tonnes

It's a light oil that's more volatile than crude and can't be mopped up from the ocean surface in the usual way. It's also more toxic.

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Re: Lies, damned lies and statistics

Post by Stanley » 10 Jan 2018, 03:54

:good:
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