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A bar graph is a graphical representation of data in which rectangular bars of equal width are used to display the frequency, count, or percentage of a categorical variable. The bars are typically arranged horizontally or vertically, with the height or length of each bar proportional to the value it represents. Bar graphs are commonly used to compare the values of different categories or to show changes in the values of a single category over time. They are a popular tool for visualizing data in a clear and concise manner, and are widely used in fields such as economics, business, and social sciences.
Bar graphs are important for competitive exam students because they provide a visual representation of data that can be easily understood and compared. In exams, students may be required to analyze and interpret data presented in the form of a bar graph, and having a good understanding of how to read and interpret these graphs can give them an advantage. Bar graphs can help students to identify trends, compare values, and make accurate conclusions based on the data presented.
Example of Bar Graph MCQ/ Question & Answer
Sales Figures for First Six Months of the Year
--/pic--Question: The following bar graph shows the sales figures of a company for the first six months of the year. In which month did the company have the highest sales?
a. March
b. February
c. May
d. June
Answer: Looking at the bar graph, we can see that there are 6 bars, each representing a different month of the year. The bars are labeled with the month name and their corresponding heights represent the sales figures for that month. To answer the question, we need to find the month with the highest sales figure, which would be the bar with the tallest height. By looking at the graph, we can see that the bar for June is the tallest, which means that the company had the highest sales in June.
The correct option is D (June)
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