Written by Calculates covariance, the mean of the products of paired deviations.
Calculates covariance, representing the mean of products derived from paired deviations.
Calculates the confidence interval for a population mean using Student’s t distribution.
Generates the confidence range for a mean value within a population.
Calculates a confidence interval for the average of a population.
Refer to Z.TEST for more details.
Calculates the one-tailed P-value for a Z-test based on a standard normal distribution.
Refer to WEIBULL for more information.
Calculates the value of the Weibull distribution function (or Weibull cumulative distribution function) for defined shape and scale parameters.
Determines the variance for an entire population by treating text as a value of `0`.