Difference between revisions of "Manuals/calci/NORMINV"

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<div style="font-size:30px">'''NORMINV(prob,m,sd)'''</div><br/>
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<div style="font-size:30px">'''NORMINV (Probability,Mean,StandardDeviation)'''</div><br/>
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*<math>prob</math>  is the probability  corresponding to the normal distribution,<math>m</math> is the mean , and <math>sd</math> is the standard deviation.
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*<math>Probability</math>  is the probability  corresponding to the Normal Distribution.
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*<math>Mean</math> is the Mean value.
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*<math>StandardDeviation</math> is the Standard Deviation.
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**NORMINV(),returns the inverse of the normal cumulative distribution.
  
 
==Description==
 
==Description==
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*This function gives the inverse of the normal cumulative distribution for the particular mean and standard deviation.
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*This function gives the inverse of the Normal Cumulative Distribution for the particular Mean and Standard Deviation.
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*If <math>NORMDIST(x,m,sd,TRUE)=prob</math>, then <math>NORMINV(prob,m,sd)=x</math>.
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*If <math>NORMDIST (Number,Mean,StandardDeviation,Cumulative,accuracy)=Probability</math>, then <math>NORMINV (Probability,Mean,StandardDeviation)=Number</math>.
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*<math>NORMINV</math> using the iterating method to find the value of x.
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*<math>NORMINV</math> using the iterating method to find the value of a Number.
 
*Suppose the iteration has not converged after 100 searches, then the function gives the error result.  
 
*Suppose the iteration has not converged after 100 searches, then the function gives the error result.  
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*In <math>NORMINV(prob,m,sd)</math>, where <math>prob</math> is the corresponding probability of the normal distribution, <math>m</math> is the arithmetic mean of the normal distribution and <math>sd</math> is the standard deviation of the normal distribution.
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*In <math>NORMINV (Probability,Mean,StandardDeviation)</math>, where <math>Probability</math> is the corresponding probability of the Normal Distribution, <math>Mean</math> is the Arithmetic Mean of the Normal Distribution and <math>StandardDeviation</math> is the Standard Deviation of the Normal Distribution.
 
*This function will return the result as error when  
 
*This function will return the result as error when  
 
  1.any one of the argument is non-numeric
 
  1.any one of the argument is non-numeric
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  2.Suppose <math>prob<0</math> or <math>prob>1</math>
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  2.Suppose Probability<0 or Probability>1
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  3.<math>sd<=0</math>.
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  3. StandardDeviation<=0.
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*If <math>m=0</math> and <math>sd=1</math>, NORMINV uses the standard normal distribution.
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*If Mean=0 and StandardDeviation=1, NORMINV uses the Standard Normal Distribution.
  
 
==Examples==
 
==Examples==
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#=NORMINV(0.998742,5.4,2.3) = 12.349244172
 
#=NORMINV(0.998742,5.4,2.3) = 12.349244172
 
#=NORMINV(1,7.2,2.3) = NULL
 
#=NORMINV(1,7.2,2.3) = NULL
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==Related Videos==
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{{#ev:youtube|jMFs_1gmqWw|280|center|NORMDIST AND NORMINV}}
  
 
==See Also==
 
==See Also==
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==References==
 
==References==
 
[http://en.wikipedia.org/wiki/Normal_distribution Normal distribution ]
 
[http://en.wikipedia.org/wiki/Normal_distribution Normal distribution ]
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*[[Z_API_Functions | List of Main Z Functions]]
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*[[ Z3 |  Z3 home ]]

Latest revision as of 16:21, 10 August 2018

NORMINV (Probability,Mean,StandardDeviation)


  • is the probability corresponding to the Normal Distribution.
  • is the Mean value.
  • is the Standard Deviation.
    • NORMINV(),returns the inverse of the normal cumulative distribution.

Description

  • This function gives the inverse of the Normal Cumulative Distribution for the particular Mean and Standard Deviation.
  • If , then .
  • using the iterating method to find the value of a Number.
  • Suppose the iteration has not converged after 100 searches, then the function gives the error result.
  • In , where is the corresponding probability of the Normal Distribution, is the Arithmetic Mean of the Normal Distribution and is the Standard Deviation of the Normal Distribution.
  • This function will return the result as error when
1.any one of the argument is non-numeric
2.Suppose Probability<0 or Probability>1
3. StandardDeviation<=0.
  • If Mean=0 and StandardDeviation=1, NORMINV uses the Standard Normal Distribution.

Examples

  1. =NORMINV(0.01884908749,17.4,3.2) = 10.750011
  2. =NORMINV(0.998742,5.4,2.3) = 12.349244172
  3. =NORMINV(1,7.2,2.3) = NULL

Related Videos

NORMDIST AND NORMINV

See Also

References

Normal distribution


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