CONFIDENCE function - Zoho Sheet - Help Guide

CONFIDENCE

Returns the confidence interval for a population mean, using normal distribution.

 

Syntax

 

CONFIDENCE(α; sd; size)

α: The desired significance level, between 0 and 1. It also determines the confidence level, which equals (1 - α)*100%. Eg., 0.02

sd: The known standard deviation of a normal distribution. It must be greater than 0. Eg., 1.5

size: The size of a sample from the specified distribution. Eg., 20

 

Examples

 

Formula

Result

=CONFIDENCE(A2;B2;C2)

0.780280798

=CONFIDENCE(A3;B3;C3)

0.391992797

=CONFIDENCE(A4;B4;C4)

0.736104537


Get a hands-on experience of the function in the embedded range below. 



Possible Errors

 

Errors

Meaning

#N/A!

  • The function could not find the value it was asked to look for. Commonly occurs in VLOOKUP and similar functions.

#NAME!

  • The function name is incorrect or invalid.

  • The given defined name (if any) is invalid.

  • There is a typo in the defined name used in the function.

  • Double quotes are missing for text values in the function.

  • Colon missing in a cell range reference.

#VALUE!

  • The given argument's data type is incorrect or invalid.
    For example, the function =DATE(A1:A3) will return a #VALUE error when a text value is present in the range.

#REF!

  • The given cell reference is incorrect or invalid. This error may occur when a cell/range has been deleted, moved, or pasted over.

#NUM!

  • The value of α is not between 0 and 1.

  • The value of sd is less than 0.

  • The value of size is less than 1.

 

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