Elementary Statistics and Probability Tutorials and Problems

Free elementary statistics tutorials including interactive tutorials using applets as well as analytical tutorials on counting principles and probabilities. Probability and statistics problems are also included.
Play Free Interactive Sudoku Online - 2x2, 3x3 & 4x4 Puzzles to develop thinking skills

Probability Distributions

Introduction to Statistics.
Quartiles and Box Plot Definition and computation of quartiles with Examples and detailed solutions.
Properties of the Normal Distribution Curve An interactive tutorial using an applet to explore the effects of the mean and standard deviation on the graph of a normal distribution.
Reading Histograms - Examples With Solutions. Tutorial on how to read and interpret histograms.
Reading Pie Charts - Examples With Solutions. Tutorial on how to read and interpret pie charts.
Reading and Interpreting Stem and Leaf Diagrams - Examples With Solutions. Tutorial on how to read and interpret stem and leaf diagrams.
Mean, Median and Mode. Examples with solutions.
Standard Deviation. Examples with solutions.

Counting Problems With Solutions. Counting problems are presented along with their detailed solutions.
Factorial Questions with Solutions. Tutorials on evaluating and simplifying expressions with factorial notation.
Factorial Calculator. Calculate the factorial of a positive integer.
Combinations Calculator. Calculate the number of combinations of n elements taken r at the time.
Permutations Calculator. Calculate the number of permutations of n elements taken r at the time.
Permutations and Combinations Problems. Permutations and combinations are used to solve problems