Question
51. Which of the following is correct regarding ‘data management’?
(1) A line graph is useful for comparing different categories of data.
(2) A histogram is used to compare different parts of a whole.
(3) Graphical representation of data is very easy to understand, whenever trends or comparisons of data are to be shown.
(4) A bar graph represents data that continuously changes over time.
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उत्तर : (3) Graphical representation of data is very easy to understand, whenever trends or comparisons of data are to be shown.
कारण: (1) False: A line graph is primarily used to show trends over time. Bar graphs are more suitable for comparing different categories.
(2) False: A histogram is used to show frequency distribution, especially for continuous data. A pie chart is more suitable for comparing different parts of a whole.
(3) True: Graphical representation of data (graphs) is very effective for visually understanding data, identifying patterns or trends, and comparing different data sets. It makes data more accessible and understandable.
(4) False: A bar graph is primarily used for comparing different categories. A line graph is more suitable for data that continuously changes over time.
कारण: (1) False: A line graph is primarily used to show trends over time. Bar graphs are more suitable for comparing different categories.
(2) False: A histogram is used to show frequency distribution, especially for continuous data. A pie chart is more suitable for comparing different parts of a whole.
(3) True: Graphical representation of data (graphs) is very effective for visually understanding data, identifying patterns or trends, and comparing different data sets. It makes data more accessible and understandable.
(4) False: A bar graph is primarily used for comparing different categories. A line graph is more suitable for data that continuously changes over time.
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