Data Cycle #9 (Histograms)

Front

What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data by showing the number of data points that fall within specified intervals.

Front

What is an interval in a histogram?

Back

An interval in a histogram is a range of values that groups data points together, allowing for the visualization of frequency distribution.

Front

How do you determine the height of a bar in a histogram?

Back

The height of a bar in a histogram represents the number of data points (frequency) that fall within the corresponding interval.

Front

What does it mean if a histogram has a peak?

Back

A peak in a histogram indicates that there is a range of values (interval) where a large number of data points are concentrated.

Front

How can you find the total number of data points from a histogram?

Back

To find the total number of data points, sum the heights of all the bars in the histogram.

Front

What is the purpose of using intervals in a histogram?

Back

Intervals are used in a histogram to simplify data representation, making it easier to see patterns and trends in the data.

Front

What type of data is best represented by a histogram?

Back

Histograms are best for representing continuous numerical data, where the data can fall within a range of values.

Front

How do you interpret the width of the bars in a histogram?

Back

The width of the bars in a histogram represents the range of values for each interval; all bars should have the same width.

Front

What is the difference between a histogram and a bar graph?

Back

A histogram displays the frequency of continuous data in intervals, while a bar graph represents categorical data with distinct categories.

Front

How can you tell which interval has the greatest frequency in a histogram?

Back

The interval with the tallest bar in the histogram indicates the greatest frequency of data points.