maths

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Across
  1. 3. Middle value of an ordered data set
  2. 7. Visual representation of data or equations
  3. 8. Most frequently occurring value
Down
  1. 1. Average of a set of observations
  2. 2. Reciprocal of cos theta
  3. 4. Figure formed by two rays meeting at a point
  4. 5. Line segment joining two points on a circle
  5. 6. Zero of a quadratic equation