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Which statement is always true about a frequency table?

Class 7Frequency Tables and Tally MarksData Handling
  • AThe frequencies add up to the largest value
  • BThe frequencies add up to the number of observations
  • CThe largest value has the largest frequency
  • DEvery frequency is at least 2

Step-by-Step Solution

Each observation is counted exactly once, so the total of all frequencies equals the number of observations. The other statements need not be true.
Answer: B) The frequencies add up to the number of observations

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