Questions and Answers
What is the formula to calculate the relative frequency?
What is the primary purpose of defining class intervals in constructing histograms?
In a histogram, what does the height of each bar represent?
What is the primary difference between a histogram and a frequency polygon?
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What is the purpose of plotting points at the midpoints of each class interval when constructing a frequency polygon?
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What is the main difference between a histogram and a frequency polygon?
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What is the purpose of finding the midpoint of each class interval when drawing a frequency polygon?
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What is the ratio of the frequency of an event to the total number of observations called?
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What is the first step in drawing a histogram?
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What is the characteristic of a histogram that distinguishes it from a bar graph?
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What do the points on a frequency polygon represent?
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What is the purpose of drawing a histogram before drawing a frequency polygon?
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What does the height of each bar in a histogram represent?
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What is the primary purpose of identifying the modal class in a dataset?
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Which of the following statements is true about the median class?
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What is the primary difference between the axes of a histogram and a frequency polygon?
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What is the purpose of counting frequencies in each interval when constructing a histogram?
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What is the advantage of using a frequency polygon over a histogram?
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What is the purpose of a histogram in data analysis?
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What is a key characteristic of a frequency polygon?
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Why are there no gaps between the bars in a histogram?
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What is the first step in constructing a frequency polygon?
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What does the horizontal axis represent in a histogram?
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Why are class intervals used in constructing histograms and frequency polygons?
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What is the key difference between a histogram and a bar graph?
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What is the purpose of relative frequency in data analysis?
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What is the primary reason for using class marks in histograms and frequency polygons?
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Which of the following statements is true about the relationship between histograms and frequency polygons?
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What is the primary advantage of using a frequency polygon over a histogram?
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What is the purpose of defining equal-length intervals in histograms and frequency polygons?
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Which of the following statements is true about the class intervals in a histogram and frequency polygon?
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What is the primary difference between the way class intervals are used in histograms and frequency polygons?
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What is the relationship between the width of the bars in a histogram and the class intervals?
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What would be the effect on a histogram if the class intervals were halved?
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What is the primary advantage of using frequency polygons over histograms?
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What would be the effect on a frequency polygon if the class intervals were increased?
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What is the primary purpose of finding the midpoint of each class interval when constructing a frequency polygon?
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What would happen to the shape of a histogram if the frequency of one of the class intervals was greatly increased?
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What is the relationship between the number of class intervals and the accuracy of a histogram?
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What is the main purpose of defining the modal class in a dataset?
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Why are class marks used in histograms and frequency polygons?
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What is the effect on a histogram if the frequency of one of the class intervals is greatly increased?
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What is the purpose of counting frequencies in each interval when constructing a histogram?
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What is the relationship between the width of the bars in a histogram and the class intervals?
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