1.10 Visualizing and Comparing Data Sets

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What is a dot plot?

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A dot plot is a statistical chart that consists of data points plotted on a simple scale, often used to show frequency of data points in a dataset.

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CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

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What does 'mode' refer to in a data set?

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

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CCSS.6.SP.B.5C

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How is 'mean' calculated?

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The mean is calculated by adding all the values in a data set and dividing by the number of values.

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CCSS.6.SP.B.5C

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What is 'median' in statistics?

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

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CCSS.6.SP.B.5C

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What does 'range' indicate in a data set?

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The range indicates the difference between the maximum and minimum values in a data set.

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CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

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What does it mean if a distribution is 'skewed'?

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A skewed distribution is one where the data points are not symmetrically distributed, causing one tail to be longer or fatter than the other.

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What is an 'outlier'?

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An outlier is a data point that differs significantly from other observations in a dataset.

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How do you determine the center of a skewed distribution?

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The center of a skewed distribution is best described using the median rather than the mean.

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CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

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What is the significance of the maximum value in a data set?

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The maximum value is the highest data point in a dataset, which helps to understand the upper limit of the data.

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CCSS.6.SP.A.2

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What does it mean for data to be 'approximately symmetrical'?

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Data is approximately symmetrical when the left and right sides of the distribution are mirror images of each other.