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This function returns the confidence interval for a population mean.

Syntax

CONFIDENCE(alpha,stdev,size)

Arguments

This function has these arguments:

Argument	Description
alpha	Alpha, significance level used in calculating confidence level, where confidence level is 100 times (1-alpha)%
stdev	Population standard deviation for the range
size	Number representing the size of the sample; if not an integer, the number is truncated

Data Types

Accepts numeric data for all arguments. Returns numeric data.

Examples

CONFIDENCE(0.5,B4,D5)

CONFIDENCE(0.5,R4C2,R5C4)

CONFIDENCE(0.05,3.5,150) gives the result 0.560106363

 

 

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