MMM, Histograms, Dot/Line Plots, Statistical Questions, & More

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What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data. Each bar represents a range of values, and the height of the bar shows how many data points fall within that range.

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What is a dot plot?

Back

A dot plot is a simple way to display data using dots. Each dot represents one data point, and dots are stacked vertically to show frequency.

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What is a line plot?

Back

A line plot is a graph that shows data points along a number line. Each data point is marked with an 'X' above its value.

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What is a statistical question?

Back

A statistical question is one that anticipates variability in the data and can be answered by collecting data. For example, 'What is the average height of students in a class?' is a statistical question.

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What does 'mean' refer to in statistics?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

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What is the range of a set of numbers?

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The range is the difference between the highest and lowest values in a set of numbers.

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How do you find the mode of a data set?

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

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What is a bar graph used for?

Back

A bar graph is used to compare different categories of data. Each bar represents a category, and the height of the bar shows the value or frequency of that category.

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What is the median of a data set?

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The median is the middle value when a data set is ordered from least to greatest. If there is an even number of values, the median is the average of the two middle numbers.

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What does it mean if a data set has a high variability?

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High variability means that the data points are spread out over a wide range of values, indicating less consistency.