Precise - Revision history

Ellen References at 16:09, 18 December 2019

2019-12-18T16:09:12Z

Ellen References at 13:11, 27 November 2019

2019-11-27T13:11:36Z

Ellen References at 22:17, 10 November 2019

2019-11-10T22:17:15Z

NRJC: /* About Precision */

2019-04-20T17:05:18Z

‎About Precision

NRJC: /* About Precision */

2019-04-20T17:05:03Z

‎About Precision

NRJC at 17:04, 20 April 2019

2019-04-20T17:04:31Z

NRJC: /* About Precision */

2019-04-20T17:03:52Z

‎About Precision

NRJC at 17:03, 20 April 2019

2019-04-20T17:03:22Z

NRJC at 14:41, 3 April 2019

2019-04-03T14:41:21Z

NRJC at 09:40, 25 March 2019

2019-03-25T09:40:42Z

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 :[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Precision, page 6, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']
 :[https://www.amazon.co.uk/gp/product/1782945733/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945733&linkCode=as2&tag=nrjc-21&linkId=2a2dbec9db6bf5766c0458d908fa0a52 ''Precision, page 6, GCSE Physics; The Revision Guide, CGP, Edexcel '']
 ==Key Stage 5==

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 {{#ev:youtube|https://www.youtube.com/watch?v=hRAFPdDppzs}}
 ===References===
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 :[https://www.amazon.co.uk/gp/product/0198359381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359381&linkCode=as2&tag=nrjc-21&linkId=47c8d1ae58d8b3a5e2094cd447154558 ''Precision, pages 266-267, GCSE Chemistry; Third Edition, Oxford University Press, AQA '']
 :[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Precision, pages 279-280, GCSE Physics; Third Edition, Oxford University Press, AQA '']

← Older revision		Revision as of 22:17, 10 November 2019
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	===About Precision===		===About Precision===
	: A single [[reading]] may be more [[precise]] if the [[resolution]] of the [[Measuring Instrument\|measuring instrument]] is higher. This is due to the upper and lower bounds of a single number being smaller when the number has a greater [[resolution]]. A [[ruler]] that [[measure]]s to the nearest 1cm has an [[uncertainty]] of ±5mm for each [[reading]]. A [[ruler]] that [[measure]]s to the nearest 1mm has an [[uncertainty]] of ±0.5mm, making a single [[reading]] more [[precise]].		: A single [[reading]] may be more [[precise]] if the [[resolution]] of the [[Measuring Instrument\|measuring instrument]] is higher. This is due to the upper and lower bounds of a single number being smaller when the number has a greater [[resolution]]. A [[ruler]] that [[measure]]s to the nearest 1cm has an [[uncertainty]] of ±5mm for each [[reading]]. A [[ruler]] that [[measure]]s to the nearest 1mm has an [[uncertainty]] of ±0.5mm, making a single [[reading]] more [[precise]].
		+
		+
		+	===References===
		+	====AQA====
		+
		+	:[https://www.amazon.co.uk/gp/product/1782945563/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945563&linkCode=as2&tag=nrjc-21&linkId=9a1d023a374038e6072f33c4f3cf808b ''Precision (of results), page 5, GCSE Biology; The Revision Guide, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Precision, page 12, GCSE Chemistry, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/178294639X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294639X&linkCode=as2&tag=nrjc-21&linkId=51599bb45a2bfaf7c1b6a978b2ca2616 ''Precision, page 12, GCSE Combined Science Trilogy; Chemistry, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851338/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851338&linkCode=as2&tag=nrjc-21&linkId=425855d5890466e47189e1c21b67a1ea ''Precision, page 148, GCSE Biology, Hodder, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851346/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851346&linkCode=as2&tag=nrjc-21&linkId=3ac654f4b0da781c49c855a1af4c92ea ''Precision, page 274, GCSE Chemistry, Hodder, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Precision, page 289, GCSE Combined Science Trilogy 1, Hodder, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Precision, page 34, GCSE Physics, Hodder, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe10192 ''Precision, page 5, GCSE Combined Science; The Revision Guide, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac375 ''Precision, page 5, GCSE Physics; The Revision Guide, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782945571/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945571&linkCode=as2&tag=nrjc-21&linkId=9e29fad914244909903e5e93f8a01d213 ''Precision, page 6, GCSE Chemistry; The Revision Guide, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851362/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851362&linkCode=as2&tag=nrjc-21&linkId=7d78d70a2044ee9982dae010c94af92a ''Precision, pages 10, 204, GCSE Combined Science Trilogy 2, Hodder, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Precision, pages 105, 286, GCSE Chemistry; Student Book, Collins, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/0198359381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359381&linkCode=as2&tag=nrjc-21&linkId=47c8d1ae58d8b3a5e2094cd447154558 ''Precision, pages 266-267, GCSE Chemistry; Third Edition, Oxford University Press, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Precision, pages 279-280, GCSE Physics; Third Edition, Oxford University Press, AQA '']

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 : The smaller the [[range]] and [[uncertainty]] the greater the '''precision'''.
 : '''Precision''' is achieved by [[Control Variable|controlling]] [[variable]]s so that [[reading]]s are stable over a long period of [[time]].
-: An [[experiment]] can be made more [[precise]] by removing sources of [[Random Error|random error]].
+: An [[reading]]s can be made more [[precise]] by removing sources of [[Random Error|random error]].
 ===Accuracy vs Precision===

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 : The smaller the [[range]] and [[uncertainty]] the greater the '''precision'''.
 : '''Precision''' is achieved by [[Control Variable|controlling]] [[variable]]s so that [[reading]]s are stable over a long period of [[time]].
 ===Accuracy vs Precision===

← Older revision		Revision as of 17:04, 20 April 2019
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	{{#ev:youtube\|https://www.youtube.com/watch?v=hRAFPdDppzs}}		{{#ev:youtube\|https://www.youtube.com/watch?v=hRAFPdDppzs}}
		+
		+	==Key Stage 5==
		+	===Meaning===
		+	[[Results]] are [[precise]] if the same [[reading]] or [[measurement]] [[repeat]]edly gives a similar value.
		+
		+	===About Precision===
		+	: A single [[reading]] may be more [[precise]] if the [[resolution]] of the [[Measuring Instrument\|measuring instrument]] is higher. This is due to the upper and lower bounds of a single number being smaller when the number has a greater [[resolution]]. A [[ruler]] that [[measure]]s to the nearest 1cm has an [[uncertainty]] of ±5mm for each [[reading]]. A [[ruler]] that [[measure]]s to the nearest 1mm has an [[uncertainty]] of ±0.5mm, making a single [[reading]] more [[precise]].

← Older revision		Revision as of 17:03, 20 April 2019
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	Method 3: Each [[measurement]] is not [[accurate]] because they are far from [[pi]], they are also the least [[precise]] because they have a range of 0.68. However, the [[Mean Average\|average]] is the most [[accurate]] as it is the closes to [[pi]].		Method 3: Each [[measurement]] is not [[accurate]] because they are far from [[pi]], they are also the least [[precise]] because they have a range of 0.68. However, the [[Mean Average\|average]] is the most [[accurate]] as it is the closes to [[pi]].
	\|}		\|}
		+
		+	{{#ev:youtube\|https://www.youtube.com/watch?v=hRAFPdDppzs}}