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## Description

Statistics Study

-- v3.8 Tuesday, August 16, 2016
(51 Statistics Function Buttons / 56 Statistics Study Notes)

Statistics Study provides descriptive statistics such as sum, sum of square, mean, sum of squared deviation, variance, standard deviation, median, mode, momentum, skewness, kurtosis, box-and-whisker plot, frequency table, Pearson correlation, Spearmann correlation and covariance.

It also provides various statistical tables such as z-table, t-table, Chi-square table and F-table.

Using this app you can find various critical values from z-distribution, t-distribution, Chi-square distribution and F-distribution. You can also compute probability from binomial distribution and Poisson distribution.

The following is the list this app provides:

Basic Statistics
Data Table
Box-and-Whiskers Plot
Frequency Table with Histogram

Z-Table
t-Table
Chi-Square Table
F-Table
Finding probability from Z-distribution
Finding critical value from t-distribution
Finding critical value from chi-square distribution
Finding critical value from F-distribution

Finding probability from binomial distribution
Finding probability from Poisson distribution
Scatter Plot
Covariance

Confidence interval for the mean.
Test for a population mean
Test for two population means
Test for the difference of paired sample (paired t-test)

One-way ANOVA (analysis of variance) with post hoc tests (Scheffe Test and Least Square Difference Test)
Two-way ANOVA without repetition
Two-way ANOVA with repetition
Normality Test (Chi-Square Test, Skewness Test, Kurtosis Test, Jarque-Bera Test, and D'Agostino K-Squared Test)

Pearson Correlation
Simple Linear Regression Analysis
Multiple Linear Regression Analysis

Chi-Square Goodness-of-Fit Test
Chi-Square Test of Independence
Chi-Square Test of Homogeneity
Fisher Exact Test
McNemar Test

Test for One Population Proportion
Test for Two Population Proportions

Runs Test for One Sample (Randomness of a sequence)
Sign Test for One Sample
Wilcoxon Signed-Rank Test (nonparametric one sample)

Runs Test for two samples
Wald-Wolfowitz Runs Test for Two Samples
Mann-Whitney U Test (nonparametric two samples) with Monte
Kolmogorov-Smirnov Two-Sample Test

Sign Test for Paired Samples
Wilcoxon Signed-Rank test (paired samples)
Spearman Rank Correlation

Kruskal-Wallis H Test (nonparametric three of more samples) with Monte
Mood's Median Test (Chi-Square Median Test)
Jonckheere-Terpastra Test (Jonckheere Trend Test)

Friedman Test and Post Hoc Test after Conover (nonparametric block design) with Monte
Quade Test and Post Hoc Test (nonparametric block design) with Monte
Skillings-Mack Test (nonparametric unbalanced block design) with Monte
Durbin Test (nonparametric balanced incomplete block design) with Monte

(Monte: Monte Carlo Simulations, Bootstrap Analysis)

The following work can be done also:
1. Switch rows and columns
2. Random number generator with size, minimum and maximum
3. Random number generator from a normal distribution with size, mean, and standard deviation
4. Settings: Significance Level, and Monte Carlo Simulations

provided by STATEXT LLC.
(New Jersey, USA)

Selected version history
ver 2.9.1 Fix a bug handling comma as decimal separator; the bug was kindly reported by Carlos Abeal Pena from Spain.

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