12

1234567
Across
  1. 2. - Value of a matrix.
  2. 6. - Graph using bars.
  3. 7. - Circular graph for proportions.
Down
  1. 1. - Area under a curve.
  2. 3. - Rate of change.
  3. 4. - Grid of numbers.
  4. 5. - Small group from a population.