Year 12 Maths

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Across
  1. 3. Has a period of 180 degrees
  2. 5. Logarithm with base e
  3. 8. The set of values for which H0 is rejected
  4. 10. x-a is this if f(a)=0
  5. 13. y changes by this when x increases by 1
  6. 14. Area under veloctity-time graph
  7. 16. This is negative if the quadratic has no real roots
  8. 17. 50% of data are below it
  9. 19. P(A and B) for mutually exclusive events
  10. 20. Resultant force divided by acceleration
  11. 21. This is constant if the resultant force is zero
Down
  1. 1. Remember this when doing an indefinite integral
  2. 2. P(A and B)=P(A)P(B)
  3. 4. What we assume when doing a Hypthesis Test
  4. 6. 1/x has one, x squared does not
  5. 7. Its graph is symmetrical in the y axis
  6. 9. A sample in which every element of the population is equally likely to be selected
  7. 11. The gradient is zero here
  8. 12. Mean of the squares minus square of the mean
  9. 15. Magnitude of velocity
  10. 17. Sigma x over n
  11. 18. Do this to H0 if the probability is below the significance level