Statistics

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What is Statistics?

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Statistics is the branch of mathematics that deals with collecting, analyzing, interpreting, presenting, and organizing data.

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What is a data set?

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A data set is a collection of related data points or values, often organized in a table.

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What is the mean?

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The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

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What is the median?

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The median is the middle value in a data set when the numbers are arranged in order.

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What is the mode?

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The mode is the number that appears most frequently in a data set.

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What is a range in statistics?

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The range is the difference between the highest and lowest values in a data set.

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What is a bar graph?

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A bar graph is a visual representation of data using bars to show the frequency or value of different categories.

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What is a line graph?

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A line graph is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments.

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What is a pie chart?

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A pie chart is a circular statistical graphic divided into slices to illustrate numerical proportions.

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What is an interval in statistics?

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An interval is a range of values that a variable can take.