Best Sample Size Calculator App

Calculate sample size for infinite/finite populationsCompare two population means/proportionsCalculate sample size for various study designs

3.5(2 ratings)

$0.99

This app calculates sample sizes for statistical studies. It dynamically adjusts the sample size based on user inputs for margin of error, confidence level, population size, and proportion.

Market Research Sample Size Calculator by Actionable Research, Inc.

Worth Considering

💼 Business

4.3(6 ratings)

Free

Market Research Sample Size Calculator screenshot 1

Market Research Sample Size Calculator screenshot 2

Market Research Sample Size Calculator screenshot 3

Market Research Sample Size Calculator screenshot 4

This tool helps marketers and researchers calculate sample size requirements and confidence intervals. It offers customizable startup screens and explanations of research terms.

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n4Studies

$1.99

This application simplifies sample size and study power calculations for various research designs. It offers tools for estimating population means and proportions, comparing groups, and analyzing different study types like case-control and randomized controlled trials. Results can be easily shared via email.

Epidemiology Calculation Tool

Measures of disease frequency with confidence intervalsMeasures of association and effectSample size calculators

This app provides a suite of epidemiological calculation tools for disease frequency, association, and effect measures. It also includes sample size calculators, diagnostic test validation, and a comprehensive glossary of terms.

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Calculator HD Pro Lite

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Dual-line displayCalculation historyFull scientific functions

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

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Hypothesis Testing Calculator

Complete solution, all steps

This app simplifies sample size and study power calculations for various research designs. It offers tools for regression, survival analysis, diagnostic studies, and more, helping users find calculations in minutes.

Sample size calculation for regressionSample size for survival analysisSample size for diagnostic and cross-over studies

Sample size, clinical research

This app offers a comprehensive suite of calculators for everyday tasks and advanced mathematical needs. It includes tools for finance, unit conversion, health, and time calculations, all within a user-friendly interface.

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Instrument Scaling Calculator

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Converts between 4-20mA, process variables, and percentagesUser-friendly interfaceProvides instant calculation results

This tool simplifies instrumentation setup and scaling needs. It performs accurate conversions between process variables, 4-20mA signals, and percentages with an intuitive interface for quick calculations.

📊 Productivity

SAPO: AI Statistical assistant

free

by BIOMAXIMA INFORMACION Y EXPERIMENTACION CIENTIFICA SOCIEDAD LIMITADA

Statistical Test GuidanceAdvanced Modeling ToolsIntegrated AI Assistant

This app offers advanced statistical analysis tools for researchers and students. It includes guided test selection, modeling, data visualization, and an AI assistant for interpretation. Generate publication-ready reports and calculate sample sizes.

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IV, Dosing, BSA, CrCl, Labs

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Simple statistics calculator

NIAID Stats Calculator

Basic, Scientific, Plus Calc

Enter mathematical formulas as text and get instant results. Review past calculations with a history feature for error checking and reuse. Supports advanced functions and constants, and can email your calculation history.

Text-based formula inputCalculation historyReuse past calculations

Statistical Calculators

Summary statistics for CSV filesSample size determinationStandard error of proportion

This application offers essential statistical calculators for marketing researchers and students. It provides tools for summary statistics, sample size determination, standard error calculations, and significance testing, with clear explanations of formulas.

The Best Scientific Calculator

$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition