 Statistics Calculator
This software contains all 20 of the Helpers from our Computer Assisted Statistics Course Tutor software. These are Calculators which can compute descriptive statistics, generate samples, draw histograms, compute probabilities, and perform hypothesis tests.
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Overview of the Calculators
This program contains a collection of 20 calculators for many statistical topics found in Elementary Statistics: chi-square, histograms, hypothesis testing, permutations, combinations, regression lines, correlation, normal probability, binomial probability, confidence intervals, etc.
Clear instructions on how to use each calculator is given. Each of the calculators display a sample problem that helps you understand what the calculator can do, and then you can enter your own data to solve similar problems.
Descriptive Statistics
- Sample Generation & Frequency Distribution - Display Histogram
- Descriptive Statistics Measures
- Pearson's Index - Measure of skewness
- Correlation Coefficient & Linear Regression Equation
Probability
- Permutation & Combination - Counting ways to make selections
- Binominal Distribution - Probability, Expected Value & Stnd Dev
- Binomial Table (PDF) - Table of probabilities
- Hypergeometric Distribution - Probability, Expected Value & Stnd Dev
- Hypergeometric Table (PDF) - Table of probabilities
Hypothesis Testing
- Sample Mean Test - z-calculated and critical values
- Small Sample Mean Test - z & t-calculated and critical values
- z-score Formula Solver - Solve for any unknown in formula
- Confidence Interval - For given probability
- Two Dependent Samples Means Test - t-calc & t-crit calculations
- Two Independent Samples Means Test - t-calc & t-crit calculations
- Chi-Square Goodness-of-Fit Test
Probability Distributions
- Normal Distribution - Probability for given interval
- Normal Percentile - x-value or z-score for needed probability
- General Continuous Distribution - Mean, Stnd Dev, & Probability
- General Discrete Distribution - Expected Value and Stnd Dev
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