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StaTool has 9 types of Hypothesis testing:

One population:
   1) Mean of population (known population variance).
   2) Mean of population (unknown population variance).
   3) Variance of population.
   4) Ratio of population.

Two populations:
   5) Mean difference of two populations (known population variances).
   6) Mean difference of two populations (unknown and equal population variances).
   7) Mean difference of two populations (unknown and different population variances).
   8) Variance ratio of two populations.
   9) Ratio difference of two populations.


StaTool has 9 types of Confidence Intervals:

One population:
   1) Mean of population (known population variance).
   2) Mean of population (unknown population variance).
   3) Variance of population.
   4) Ratio of population.

Two populations:
   5) Mean difference of two populations (known population variances).
   6) Mean difference of two populations (unknown and equal population variances).
   7) Mean difference of two populations (unknown and different population variances).
   8) Variance ratio of two populations.
   9) Ratio difference of two populations.

StaTool has 6 types of probability distribution:

   1) Normal.
   2) t-Student.
   3) Chi-Square.
   4) F-Snedecor.
   5) Binomial.
   6) Poisson.

Allows us to calculate statistical data for one numeric variable X.

Data can be ungrouped or grouped (intervals or classes).

StaTool calculates the following statistical data:
   1) Mean.
   2) Median.
   3) Mode.
   4) Standard deviation.
   5) Variance.
   6) Coefficient of variation.
   7) Skewness.
   8) Kurtosis.
   9) Moments (0th to 4th, about mean and origin).
   10) Quartiles, deciles and percentiles and his inverses.
   11) Graphic (bar and histogram chart) and printing.

You can print data and results.



Allows us to calculate statistical data for two numeric variables X and Y.

We can calculate 5 types of functions for regression analysis using the least squared method:
   1) Linear
   2) Logarithmic
   3) Exponential
   4) Power
   5) Quadratic

StaTool calculates the following statistical data:
   1) Means of X and Y.
   2) Standard deviations of X and Y.
   3) Variances of X and Y.
   4) Covariance.
   5) Coefficient of correlation.
   6) Formula of regression curve.
   7) Estimation of X or Y.
   8) Graphic (scatter plot and regression curve) and printing.

You can print data and results.


We have a set of incompatible Ai  events as a finite partition of the probability space.
Also, we have the event B that is compatible with each Ai.

If we know the probabilities p(Ai) and p(B / Ai), then StaTool calculates p(B) and  p( Ai / B)


For A and B events, we can calculate some probability values when we know some other probability values.

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STATOOL Statistics and Probability Tools
Hypothesis testing


Confidence interval estimation

Probability distributions
One variable statistics


Two variables statistics
Total Probability Law - Bayes' Theorem
Probability of two events A and B
STATOOL Statistics and Probability Tools is Windows 8 compatible
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7 types of statistics and probability calculations.
Hypothesis testing. Graphics. Curve fitting (regression analysis).
Probability distributions.




7 types of statistics and probability calculations
StaTool - Statistics and Probability Tools


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Windows XP - Vista - 7 - 8 - 10


Free to try. $ 14  -  € 12 to buy
Operating system



Version


User's manual

Reference
License
1.9.7


For Windows ®


Main features
> Hypothesis testing (one or two populations).

> Confidence interval estimation.

> Probability distributions (Normal, Binomial, Poisson, t-Student- F-Snedecor...).

> One variable statistics.

> Two variables statistics (regression analysis).

> Total Probability Law - Bayes' Theorem.

> Probability of two events A and B.