Basic mathematics blog

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Addition Rule for Probability

Learn how to use the addition rule for probability in order to find the probability of the union of two events

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Joint probability - Definition and Examples

Learn to find the joint probability with this easy to follow lesson

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Probability of Complementary Events

Learn how to find the probability of complementary events with this easy to follow lesson.

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Probability of Independent Events

Learn to find the probability of independent events with this easy to follow lesson

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Mutually Exclusive Events

What are mutually exclusive events? Definition and examples

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Conditional Probability - Definition and Examples

What is conditional probability? Quickly understand it with this easy to follow lesson.

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Marginal Probability - Definition and Examples

What is marginal probability? Get a thorough and crystal clear explanation with this lesson created by a former math teacher. 

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What is Probability? Definition and Examples

What is probability? Definition, formula, and examples of classical probability, relative frequency of probability, and subjective probability

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Simple and Compound Events

Learn the difference between simple and compound events with this easy to follow lesson.

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Sample Space Diagram - Definition and Example

What is a sample space diagram? A sample space diagram is a diagram used to describe a sample space.

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Statistics Made Easy - Free Lessons

Statistics made easy - We will provide you with a solid introduction to statistics along with concise and easy to follow lessons

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Percentiles and Percentile Rank

What are percentiles and percentile rank? Definition and formula you can use.

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Quartiles and Interquartile Range

What are quartiles and interquartile range? Definition and examples.

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Empirical Rule

What is empirical rule? Get an answer here quickly with crystal clear explanations. Just like the Chebyshev's theorem, we can use the rule to find....

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Chebyshev's Theorem

What is Chebyshev's Theorem? Definition and straightforward examples so you can understand it fast.

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Variance and Standard Deviation for Grouped Data

Learn about variance and standard deviation for grouped data with an easy to follow lesson.

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Standard Deviation

What is standard deviation? Crystal clear explanation of what the standard deviation is. Learn to calculate it and understand how the formula was derived.

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Measures of Dispersion

What are measures of dispersion? Explanations and examples.

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Difference between Parameter and Statistic

What is the difference between parameter and statistic? The difference between parameter and statistic is simple as you shall see ...

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Midrange of a Data Set

What is the midrange of a data set? Definition and examples

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Relationship between the Mean, Median, and Mode

What is the relationship between the mean, median, and mode?

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Best Measure of Center

What is the best measure of center? Learn if you should use the mean, the median, the mode, or the midrange for your statistical data.

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Mean from a Frequency Table

Find the mean from a frequency table when you don't know the exact values in the classes.

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Arithmetic Mean in Statistics

What is the arithmetic mean? Definition and examples in statistics

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Organizing and Displaying Data in Statistics

Find out how to organize and display data for qualitative and quantitative data using bar graphs, pie graphs, histograms, polygons and stem-and-leaf display.

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Cumulative Frequency Distribution

What is the cumulative frequency distribution? We find the cumulative frequency distribution for a class by adding the frequency of that class to...

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Shapes of Histograms

Learn about the different shapes of histograms. The three most common of these shapes are skewed, symmetric, and uniform.

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Graphs of Quantitative Data

Graphs of quantitative data, also called grouped data, can be displayed using a histogram or a polygon. Learn how to make histograms using raw data

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Less than Method for Writing Classes

Learn to use the less than method for writing classes to make frequency tables, calculate relative frequency, and percentage.

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Construction of a Frequency Distribution Table

Construction of a frequency distribution table using a guideline and raw data

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Procedure for Constructing a Frequency Table

The procedure for constructing a frequency table for a set of quantitative data is straightforward.

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Frequency Distribution of Quantitative Data

What is a frequency distribution of quantitative data? Learn here with a crystal clear lesson.

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Display of Qualitative Data

Display of qualitative data with bar graphs and pie graphs.

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How to Find Relative Frequency

What is the relative frequency? Here is how to find the relative frequency using the frequency distribution table

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Frequency Distribution - Definition and Example

what is a frequency distribution? A frequency distribution can be used to organize quantitative variables...

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Raw Data - Definition and Examples

What is raw data? Learn the difference between quantitative data and qualitative data

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Introduction to Statistics - Important Basic Terms Explained

An introduction to statistics as you explore basic terms used in statistics frequently.

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Cross Section Data

Explanation of cross-section data in statistics. A cross-section data shows information about different...

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Time-series Data - Definition and Example

A time-series data shows information about the same subject or element of a sample or population for different periods of time.

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Types of Variables in Statistics

Types of variables in statistics - quantitative, qualitative, discrete, continuous, independent, and dependent.

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Variable, Element, Data Set, and Observation

Variable, element, data set, and observation - Learn the meaning of these basic terms in statistics important

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Common Sampling Methods

Learn the 5 common sampling methods of choosing a sample such as random sample, convenience sample, cluster sample, stratified sample, and systematic sample.

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Representative Sample - Definition and Examples

What is a representative sample? Guidelines to follow to ensure that the sample is a representative sample

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What is a survey? Definition and Examples

What is a survey? A survey is the collection of information from all members of either a sample or a ...

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What is the Difference between Population and Sample?

The difference between population and sample is explained in this lesson with real-life examples.

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Recent Articles

  1. Addition Rule for Probability

    Jun 18, 21 04:59 AM

    Learn how to use the addition rule for probability in order to find the probability of the union of two events

    Read More