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 Amsco Integrated Algebra I: The Histogram
This is a free lesson from our course in Amsco's Integrated Algebra
 
   
This lesson explains the basics of a histogram and how to draw it. A histogram is a diagram which represents the class interval and frequency in the form of a rectangel i.e. it is a vertical bar graph in which each interval is represented by the width of the bar and the frequency of the interval is represented by the height of the bar. Since it displays the frequency, or number of data values, in each interval, this graph is sometimes called a frequency histogram. Remember the following steps, to draw a histogram:
• you can mark class intervals on x-axis and frequency on y-axis
• the scales for both the axes not necessarily be the same (More text below video...)
<h2> The Histogram</h2> <p> Collecting Data,Combinations factorials,math,algebra,video,math help,quizzes,practice questions,formula,amsco,intergrated,algebra1,probability</p> <p> explains what is histogram and how to draw it.</p>
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(Continued from above)
• it is a must that the class intervals are exclusive. In case intervals are in inclusive form, these are to be converted to the exclusive form.
• taking class intervals as bases and the corresponding frequencies as heights, draw rectangles.
Note: In cases where intervals are equal, the height of each rectangle is proportional to the corresponding class frequency and if these are unequal, then the area of each rectangle is proportional to the corresponding frequency. The video above will explain in detail with the help of several examples.

 
   

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