maths

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Across
  1. 1. measurements or observations that are collected as a source of information
  2. 4. a quadrilateral whose opposite sides are parallel and equal.
  3. 7. a characteristic that can be measured and that can assume different values
  4. 8. a random variable is the average of the random values of the possible outcomes of a random experiment
  5. 9. the formula used for painting the outer surface of the cone
Down
  1. 2. a quadrilateral with no parallel sides
  2. 3. is the distance measured along a lateral face from the base to the apex along the "center" of the face.
  3. 5. the number of times the value occurs in the data
  4. 6. any of the line segments from its center to its perimeter characteristic that can be measured and that can assume different values
  5. 7. the amount of space that something contains or fills