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10. Simplify 7x2(3x – 9) + 3 and find its values for x = 4 and x = 6

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A histogram is used to represent the distribution of continuous data, typically grouped into intervals or bins. Let's analyze the given scenarios: (i) The number of letters for different areas in a postman’s bag: This scenario involves discrete data, as the number of letters cannot be measured...
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A histogram is used to represent the distribution of continuous data, typically grouped into intervals or bins. Let's analyze the given scenarios:

(i) The number of letters for different areas in a postman’s bag:

  • This scenario involves discrete data, as the number of letters cannot be measured in continuous intervals. A bar graph or a simple bar chart may be more appropriate for displaying this type of data, where each bar represents the count of letters for a specific area.

(ii) The height of competitors in an athletics meet:

  • This scenario involves continuous data, as height can vary within a range and is measured on a continuous scale. A histogram would be suitable for representing the distribution of heights, as it allows for the visualization of the frequency distribution across different height intervals.

Therefore, for the height of competitors in an athletics meet, a histogram would be more appropriate to show the distribution of heights.

 
 
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