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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.

• Introduction to Statistics .
• Boxplots in Statistics A tutorial that uses an interactive java applet to examine the relationship between data distribution and the properties (box widths and whiskers) of the corresponding boxplot.
• 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.

• 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

• Introduction to Probability.
• Mutually Exclusive Events - Examples With Solutions.
• Probability Questions with Solutions. Several questions with solutions as well as exercises with answers.
• Tutorial on Discrete Probability Distributions Tutorial on discrete probability distributions with examples and detailed solutions.
• Binomial Probability Distribution Calculator An online calculator to calculate binomial probability distributions.
• Normal Distribution Probability Calculator An online calculator to calculate probabilities associated with normally distributed variables.

• Mean and Standard deviation - Problems with Solutions. Mean and standard deviation problems are presented. Problems related to data sets as well as grouped data are discussed.
• Statistics and Probability Problems with Answers - sample 1:mean, mode, standard deviation, quartiles, frequency distribution of qualitative data.
• Statistics and Probability Problems with Answers - sample 2:probability, counting, mean and standard deviation, mean of grouped data (frequency table) and weighted mean.
• Statistics and Probability Problems with Answers - sample 3:probability, mutually exclusive events, combinations, binomial distributions, normal distributions, reading charts.
• Linear Regression - Problems with SolutionsLinear regression and modeling problems are presented along with solutions.
• Normal Distribution Problems with Answers. Problems and applications on normal distributions are presented along with their solutions.