Dot Plots, Histograms, box plot

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What is a dot plot?

Back

A dot plot is a statistical chart that consists of data points plotted on a simple scale, where each dot represents one data point.

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CCSS.6.SP.B.4

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How do you determine the total number of data points in a dot plot?

Back

Count the total number of dots in the plot; each dot represents one data point.

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CCSS.6.SP.B.5A

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What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, where the data is divided into bins or intervals.

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CCSS.6.SP.B.4

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How do you find the maximum value in a data set?

Back

The maximum value is the largest number in the data set.

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CCSS.6.SP.B.5A

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What is the minimum value in a data set?

Back

The minimum value is the smallest number in the data set.

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CCSS.6.SP.B.5A

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What does the range of a data set represent?

Back

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

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What is a box plot?

Back

A box plot is a standardized way of displaying the distribution of data based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.

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Front

How do you interpret the median in a box plot?

Back

The median is the middle value of the data set when it is ordered from least to greatest.

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What does the interquartile range (IQR) represent?

Back

The IQR measures the spread of the middle 50% of the data, calculated as the difference between the first and third quartiles.

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How can you identify outliers in a box plot?

Back

Outliers are typically identified as points that fall below Q1 - 1.5*IQR or above Q3 + 1.5*IQR.