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