Standard Deviation STATISTICS 2022 paper 2. Un grouped Data.

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[@SherineNola]

Sorry sir but just from watching a certain teacher, what you are solving is different from what he did. I don't know which one to follow but this is when am learning. Has for him his using the the mean then squares it in those blankets, you are squaring the same numbers. The formula on s.d is different from yours 😢I don't know what to do

[@DumisanNgoma-kt9kw]

Same answer different methods so it's up to you to choose the method otherwise the professor is absolutely right.. Thank you 🙌

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Thank so much for good explanation may God bless you 😂🥰 I see myself getting a distinction in mathematics

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[@BlessedMusonda-zc8kp]

Good stuff thanks sir

[@sailiems2673]

But what can happen if used the other formula given for ungrouped data since there are two formulas given and this number of hours is not in class intervals?

[@khadijahmusonda6881]

Amazing

[@Natashajojo]

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[@user-vm9it2st1u]

Thanks I really wanted this 🙏

[@MusaMakwinja]

Sir the 7 suppose to be in the brackets

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[@ChristineMucholo]

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Thank you sir.

[@JanetMwanza-o3j]

Thanks 😅😅😅

[@lucychanda-hi9yd]

Thank you

[@BrianNgimbu]

Please do also grouped data

[@user-lp2zi1mn3w]

Am finding 120 on too

[@VictorPhiri-sl7ym]

❤❤

[@user-xo5kp9xi5x]

💯🙏

[@jackiekalenga3753]

Sir it should be +1 not +7

[@JoanFox-z6y]

67202 Daugherty Mill

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[@khadijahmusonda6881]

Hi

[@OninabResources]

Try this on Mean deviation of grouped data. kzbin.info/www/bejne/gHmVZ4tnfteYpK8

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😂 thank u sir but can you stop using calculator

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Thank you

[@EstarTembo]

Thank you sir