IM Algebra I: Unit 1 Vocabulary

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What is an outlier?

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A data value that is unusual in that it differs significantly from other values in the data set.

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What is a non-statistical question?

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A question that can be answered by a specific measurement or procedure with no expected variability, e.g., 'How high is that building?'

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CCSS.6.SP.A.1

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What is a measure of center?

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A value that describes a set of data by identifying a central position, such as mean, median, or mode.

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CCSS.6.SP.A.3

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What does distribution refer to in data sets?

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It tells you how many of each value or category there are in the data set.

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CCSS.6.SP.A.2

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What is a statistical question?

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A question that can only be answered using data, where variability is expected, e.g., 'Who is the most popular musical artist?'

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CCSS.6.SP.A.1

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Define mean.

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

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CCSS.6.SP.B.5C

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Define median.

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

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CCSS.6.SP.B.5C

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Define mode.

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The value that appears most frequently in a data set.

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CCSS.6.SP.B.5C

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What is variability in data?

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The extent to which data points in a set differ from each other.

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CCSS.6.SP.A.3

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What is a categorical data?

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Data that can be divided into groups or categories, such as colors or types.