▷Step by Step Actuarial Math with the TI89 Calculator ✅
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Joint, Marginal and Conditional Probabilities for both Continuous and Discrete distributions.
Find cdf given pdf and vice versa.
Forecasting: Forcast and Project into the future using tools such as 8 Regressions Methods, Smoothing (Simple Exponential or using Seeds) or Simple Moving Averages.
Find Step by Step solutions for most Statistics topics:
Step by Step Confidence Intervals for mean, proportion, 2 means, 2 proportions, variance, slope, etc.
Compute Sample Sizes for Confidence Intervals.
Step by Step Tests of Significance (Z-Tests, T-Tests, ChiSquare Goodness of Fit and Independence tests, 2-sample T tests, 2 proportion Z tests, for Variance, etc)
Read about how Confidence Intervals behave.
Read about how Significant Tests: Type 1 Error, Type 2 Error, Power of a Test.
Much easier handling than other Statistics packages: Choose to enter Data or Statistic values. Select Significant/Confidence Levels easily.
Distributions: plot them, shade them where desired, compute probabilities, etc.
Includes Binomial, Negative Binomial, Geometric, Normal, Student-t, Exponential, Poisson, Uniform, Sampling, Multinomial, Hypergeometric, F-, Chi-Square and more Distributions.
Newly added: Double Exponential, Cauchy and Bivariate Normal Distributions.
Probability Checker for independent events, disjoint events. Also solves P(A or B)=P(A)+P(B)-P(A and B) for the unknown.
View a simulation of the Law of Large Numbers, Read about Simpson Paradox.
Compute Marginal and Conditional Probabilities.
Read About Surveys, Samples, Population, Parameter, Statistics, Observational Studies vs Experiments.
Random Variables: Compute Variance, Expected Value and Standard Deviation.
Additional Modules on: Probability, Combinatorics, Algebra, Equation Solver
Multiple Regression Analysis Step by Step incl. Statistical Tests (optional table displays as in other software packages), Confidence Intervals and Prediction Intervals.
Control Charts
Step by Step Power-, Beta- , Type 2 Error Analysis for Z Tests for Means and Proportions.
Non-Parametric Tests for 1 sample: Sign Test, Rank Sum Test
Normal Probability Plot with Quantiles
Weibull, Gamma and Beta Distributions.
Ideal for quick review and homework check.
Easy to use. Just plug in and the correct answer shows.