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## Confidence Interval for Proportion Calculator

Instructions: Use this step-by-step Confidence Interval for Proportion Calculator, by providing the sample data in the form below: Number of favorable cases $$(X)$$ = Sample Size $$(N)$$ Sample Proportion (Provide instead of $$X$$ if known) ...

## Confidence Interval for Variance Calculator

Instructions: Use this step-by-step Confidence Interval for Variance and Standard Deviation Calculator, by providing the sample data in the form below: X values (comma or space separated) = Name of the random variable (Optional) Sample Variance ...

## Sample Variance Calculator

Instructions: Use this Sample Variance Calculator to compute, showing all the steps the sample variance $$s^2$$, using the form below: X values (comma or space separated) = Name of the random variable (Optional) The Sample Variance The sample ...

## Residual Sum of Squares Calculator

Instructions: Use this residual sum of squares to compute $$SS_E$$, the sum of squared deviations of predicted values from the actual observed value. You need type in the data for the independent variable $$(X)$$ and the dependent variable ($$Y$$), ...

## Regression Sum of Squares Calculator

Instructions: Use this regression sum of squares to compute $$SS_R$$, the sum of squared deviations of predicted values with respect to the mean. Please input the data for the independent variable $$(X)$$ and the dependent variable ($$Y$$), in the ...

## Raw Score Calculator

Instructions: Use this Raw Score Calculator to transform a z-score into a raw score. Please provide the information required below: Z-score = Population Mean ($$\mu$$) = Population St. Deviation ($$\sigma$$) = How Do You Compute a Raw Score? The ...

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