Statistics Calculators

• Test Grade Calculator

  Calculate student grades and statistics for various grading methods

• Confidence Interval Calculator

  Calculate confidence intervals for population means, proportions, and differences

• Percentage Calculator

  Calculate percentages, percentage changes, and differences between numbers

• Random Number Generator

  Generate random numbers with customizable ranges and distribution types.

• Standard Deviation Calculator

  Calculate standard deviation and variance from a dataset

• P-value Calculator

  Calculate p-values and statistical significance for various hypothesis tests

• Absolute Value Calculator

  Calculate the absolute value of numbers or expressions

• Data Usage Calculator

  Estimate your internet data consumption based on various online activities.