Analysis of Variance (ANOVA)
Free Analysis of Variance (ANOVA) Calculator - Performs 1 way analysis of variance or 2 way analysis of variance on a set of data with critical value test and conclusion.
Chi-Square χ2 Test
Free Chi-Square χ2 Test Calculator - This calculator determines a χ2 chi-square test on a test statistic and determines if it is outside an accepted range with critical value test and conclusion.
Class Frequency Goodness of Fit
Free Class Frequency Goodness of Fit Calculator - Performs a goodness of fit test on a set of data with class boundaries (class boundary) with critical value test and conclusion.
Covariance and Correlation coefficient (r) and Least Squares Method and Exponential Fit
Free Covariance and Correlation coefficient (r) and Least Squares Method and Exponential Fit Calculator - Given two distributions X and Y, this calculates the following:
* Covariance of X and Y denoted Cov(X,Y)
* The correlation coefficient r.
* Using the least squares method, this shows the least squares regression line (Linear Fit) and Confidence Intervals of α and Β (90% - 99%)
Exponential Fit
* Coefficient of Determination r squared r2
* Spearmans rank correlation coefficient
* Wilcoxon Signed Rank test
Critical Values for F-test
Free Critical Values for F-test Calculator - Calculate a critical value for the F-Test statistic based on DF1, DF2, and α
Date Information
Free Date Information Calculator - This calculator takes a date in mm/dd/yyyy format, and gives the following information about it:
* Weekday
* Day number in the year
* Week number in the year
* Number of days in the month containing that date
* Leap Year (Yes or No)
* Zodiac Sign
* Julian Date
Difference of Proportions Test
Free Difference of Proportions Test Calculator - Calculates a test statistic and conclusion for a hypothesis for the difference of proportions
Expected Frequency
Free Expected Frequency Calculator - Given a contingency table (two-way table), this will calculate expected frequencies and then determine a conclusion based on a Χ2 test with critical value test and conclusion.
F Test Statistic
Free F Test Statistic Calculator - Calculates the F-test statistic for two populations
Fishers Exact Test
Free Fishers Exact Test Calculator - Given a, b, c, and d, this calculates the probability of any such set of values using Fishers exact Test
Function
Free Function Calculator - Takes various functions (exponential, logarithmic, signum (sign), polynomial, linear with constant of proportionality, constant, absolute value), and classifies them, builds ordered pairs, and finds the y-intercept and x-intercept and domain and range if they exist. Table of Functions Calculator
Function Test
Free Function Test Calculator - Checks to see if a set of ordered pairs represents a function
Google Adsense Certification Test Questions
Google Adsense Certification Test Questions
Google Analytics Certification Test Questions
Actual Questions from the Google Analytics Certification Test/Exam.
Google Educator Certification Test Questions
Questions and Answers from the Google Educator Certification Test
Hypothesis Testing for a proportion
Free Hypothesis Testing for a proportion Calculator - Performs hypothesis testing using a test statistic for a proportion value.
Mcnemar Test
Free Mcnemar Test Calculator - Given a 2 x 2 contingency table and a significance level, this will determine the test statistic, critical value, and hypothesis conclusion using a Mcnemar test.
Random Test
Free Random Test Calculator - Given a set of data and an α value, this determines the test statistic and accept/reject hypothesis based on randomness of a dataset.
Rational,Irrational,Natural,Integer Property
Free Rational,Irrational,Natural,Integer Property Calculator - This calculator takes a number, decimal, or square root, and checks to see if it has any of the following properties:
* Integer Numbers
* Natural Numbers
* Rational Numbers
* Irrational Numbers
Handles questions like:
Irrational or rational numbers
Rational or irrational numbers
rational and irrational numbers
Rational number test
Irrational number test
Integer Test
Natural Number Test
Sample Size Reliability for μ
Free Sample Size Reliability for μ Calculator - Given a population standard deviation σ, a reliability (confidence) value or percentage, and a variation, this will calculate the sample size necessary to make that test valid.
Sample Size Requirement for the Difference of Means
Free Sample Size Requirement for the Difference of Means Calculator - Given a population standard deviation 1 of σ1, a population standard deviation 2 of σ2 a reliability (confidence) value or percentage, and a variation, this will calculate the sample size necessary to make that test valid.
SAT Practice Exam
This is a practice exam for the SAT (Standard Aptitude Test).
Sign Test
Free Sign Test Calculator - This will determine whether to accept or reject a null hypothesis based on a number set, mean value, alternative hypothesis, and a significance level using the Sign Test.
Student-t Distribution Critical Values
Free Student-t Distribution Critical Values Calculator - Given an α value and degrees of freedom, this calculates the right-tailed test and left-tailed test critical values for the Student-t Distribution
