Calculating Mean, Median, Mode, and Range

What is the first step in calculating the mean of a dataset?

• Add all the numbers together

• Divide the sum by the number of values

• Organize the data from least to greatest

• Identify the middle number

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What does the mean of a dataset represent?

• The middle value of the dataset

• The difference between the highest and lowest values

• A central value that summarizes the dataset

• The most frequently occurring number

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How is the median found in a dataset with an even number of values?

• By choosing the smaller of the two middle numbers

• By averaging the two middle numbers

• By adding one to the dataset

• By selecting the larger of the two middle numbers

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Can a dataset have more than one median?

• No, unless the dataset is empty

• Yes, but only if all numbers are the same

• No, a dataset can only have one median

• Yes, if the dataset has an even number of values

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How do you find the median in a dataset with an odd number of values?

• By selecting the number in the middle

• By counting the number of values

• By averaging all the numbers

• By adding the highest and lowest values

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What does the mode of a dataset indicate?

• The average value

• The middle value

• The most frequently occurring value

• The difference between the highest and lowest values

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Can a dataset have two modes?

• Yes, if two numbers occur equally most frequently

• No, a dataset can only have one mode

• Yes, but only in datasets with an odd number of values

• No, unless the dataset has no numbers

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What happens if a dataset has no repeating numbers?

• It has no mean

• It has no median

• It has no range

• It has no mode

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What is the range of a dataset?

• The difference between the highest and lowest values

• The most frequently occurring number

• The average of all the numbers

• The middle value of the dataset

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Does the range represent the center of a dataset?

• Only in datasets with an even number of values

• Sometimes, depending on the dataset

• Never

• Always

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