Statistic:The data value x=45 has a deviation value of 12.. what does this mean

Statistics
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The data value x=45 has a deviation value of 12.. what does this mean?

and 

The data value x=84 has a deviation value of 12. what does this mean?

Oct 3rd, 2015

Thank you for the opportunity to help you with your question!

This means the mean of the distribution of is either 45 + 12 = 57 or 45–12 = 33, because for data value x = 45 deviation is 12.

in second case

This means the mean of the distribution of is either 84 + 12 = 96 or 84–12 = 72, because for data value x = 84 deviation is 12.

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Sep 20th, 2015

Sorry I ment The data value x=84 has a deviation value of -20. what does this mean?

Sep 20th, 2015

It means the mean of the distribution of is either 84 - 20 = 64 or 84 + 20 = 104 , because for data value x = 84 deviation is -20.

Sep 20th, 2015

Thank you!

Sep 20th, 2015

I have another question if you don't mind,

comment on the statement "the mean loss for customers at first state bank (which was not insured) was $150 the standard deviation of the losses was -125?

Sep 20th, 2015

HI!,

I have 2 questions please,

Let f(x)=cosx

Prove f^(x)=sinx by definition

and...

Let f(x)=x^n

Prove f^1(x)=nx^n-1  by definition 


Oct 4th, 2015

Please post it as a new question, will surely help you

Oct 5th, 2015

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