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Why is every fifth tally mark drawn across the four before it?

Class 7Frequency Tables and Tally MarksData Handling
  • ASo we can count quickly in fives
  • BSo the table looks neat
  • CSo we can find the mean
  • DBecause 5 is the largest value

Step-by-Step Solution

Bundles of five let us count 5, 10, 15, … at a glance instead of counting every single line.
Answer: A) So we can count quickly in fives

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