Mean, Median, Mode & Range

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What is the definition of Mean in statistics?

Back

Mean is the average of a set of numbers, calculated by adding all the values together and dividing by the number of values.

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How do you calculate the Mean of a set of numbers?

Back

To calculate the Mean, sum all the numbers in the set and then divide by the total count of numbers.

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What is the definition of Median in statistics?

Back

Median is the middle value in a list of numbers sorted in ascending or descending order.

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How do you find the Median of a set of numbers?

Back

To find the Median, arrange the numbers in order and identify the middle number. If there is an even number of values, the Median is the average of the two middle numbers.

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What is the definition of Mode in statistics?

Back

Mode is the value that appears most frequently in a data set.

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How do you determine the Mode of a set of numbers?

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To determine the Mode, count the frequency of each number in the set and identify the number(s) that occur most often.

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What is the definition of Range in statistics?

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

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How do you calculate the Range of a set of numbers?

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To calculate the Range, subtract the smallest number in the set from the largest number.

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What is the importance of Mean, Median, Mode, and Range in data analysis?

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These measures provide insights into the central tendency and variability of data, helping to summarize and interpret data sets.

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What is the relationship between Mean, Median, and Mode in a normal distribution?

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In a normal distribution, the Mean, Median, and Mode are all equal and located at the center of the distribution.