This calculator automatically finds the value for Sxy for a linear regression model based on the x values and y values in…
Statistical Calculators

 Regression CalculatorStatistical CalculatorsStatistics Tools
Sxx Calculator for Linear Regression
by Tutor AspireIn statistics, Sxx represents the sum of squared deviations from the mean value of x. This value is often calculated when fitting…
 Hypothesis Tests CalculatorStatistical CalculatorsStatistics Tools
Two Sample ZTest Calculator
by Tutor AspireA two sample ztest is used to test whether or not the means of two populations are equal when the population standard…
 Hypothesis Tests CalculatorStatistical CalculatorsStatistics Tools
One Sample ZTest Calculator
by Tutor AspireA one sample ztest is used to test whether or not the mean of a population is equal to some value when…
 Hypothesis Tests CalculatorStatistical CalculatorsStatistics Tools
FTest for Equal Variances Calculator
by Tutor AspireAn Ftest is used to test whether two population variances are equal.. To perform an Ftest for two samples, simply enter a…
 Confidence Intervals CalculatorStatistical CalculatorsStatistics Tools
Tolerance Interval Calculator
by Tutor AspireA tolerance interval is a range that is likely to contain a specific proportion of a population with a certain level of…
 Critical Value Finder CalculatorStatistical CalculatorsStatistics Tools
Area To The Right of ZScore Calculator
by Tutor AspireThis calculator finds the area to the right of a certain zscore in the normal distribution. Simply enter the zscore below and…
 Critical Value Finder CalculatorStatistical CalculatorsStatistics Tools
Area To The Left of ZScore Calculator
by Tutor AspireThis calculator finds the area to the left of a certain zscore in the normal distribution. Simply enter the zscore below and…
 Statistical CalculatorsStatistics ToolsSummary Statistics Calculator
Simpson’s Diversity Index Calculator
by Tutor AspireSimpson’s Diversity Index is a way to measure the diversity of species in a community. To calculate this index for a given…
 Statistical CalculatorsStatistics ToolsSummary Statistics Calculator
XBar (Sample Mean) Calculator
by Tutor AspireIn statistics, xbar (x) is a symbol used to represent the sample mean of a dataset. To calculate xbar for a given…