Stat Calculators

Taro Yamane Sample Size Calculator NEW

Use this calculator to find the required sample size using the Taro Yamane formula

Cochran Sample Size Calculator NEW

Calculate sample size for large or unknown populations using Cochran’s formula

Basic Stats Calculator

Mean, Median, Mode, Standard Deviation (SD)

Standard Deviation & Variance Calculator NEW

Calculate mean, variance, and standard deviation with full working

Likert Scale Mean Score Calculator NEW

Calculate mean score and interpretation for questionnaire responses

📘 How to Use the Likert Scale Mean Score Calculator

This calculator helps you analyze responses collected using a 5-point Likert scale, commonly used in surveys and academic research.

Steps:

  1. Enter the number of respondents for each option.
  2. Each option has a fixed score:
    • Strongly Agree = 5
    • Agree = 4
    • Undecided = 3
    • Disagree = 2
    • Strongly Disagree = 1
  3. Click Calculate to compute the mean score.

Decision Rule:

  • Mean ≥ 3.00 → Accepted
  • Mean < 3.00 → Rejected

This method is widely used in education, management, and social science research.

Two-Sample t-Test Calculator

95% Confidence Interval Calculator

Chi-Square Test Calculator (2×2)

Simple Linear Regression Calculator

Enter your paired data points below, one pair per line, separated by comma.
Example:
1,2
2,4
3,5

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