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Question
Draw a histogram for the frequency distribution of the following data:
Class interval8−1313−1818−2323−2828−3333−3838−43Frequency32078016054026010080
Draw a histogram for the frequency distribution of the following data:
Class interval8−1313−1818−2323−2828−3333−3838−43Frequency32078016054026010080
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Solution
The given frequency distribution is in exclusive form. We will represent the class intervals along the x-axis & the corresponding frequencies along the y-axis. The scale is as follows: On x-axis:
1 big division = 5 units On y-axis:
1 big division = 50 units Because the scale on the x-axis starts at 8, a kink,
i.e., a break, is indicated near the origin to signify that the graph is drawn with a scale beginning at 8 and not at the origin. We will construct rectangles with the class intervals as bases and the corresponding frequencies as heights. Thus, we will obtain the following histogram:
The given frequency distribution is in exclusive form. We will represent the class intervals along the x-axis & the corresponding frequencies along the y-axis. The scale is as follows: On x-axis:
1 big division = 5 units On y-axis:
1 big division = 50 units Because the scale on the x-axis starts at 8, a kink,
i.e., a break, is indicated near the origin to signify that the graph is drawn with a scale beginning at 8 and not at the origin. We will construct rectangles with the class intervals as bases and the corresponding frequencies as heights. Thus, we will obtain the following histogram:
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