DP Mathematics HL Questionbank
Topics based on the assumption of bivariate normality: use of the t-statistic to test the null hypothesis ρ=0 .
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- 18M.3sp.hl.TZ0.4c.ii: Hence show that if U, V are independent random variables then the population product moment...
- 18M.3sp.hl.TZ0.4c.i: Show that Cov(U, V) = E(UV) − E(U)E(V).
- 18M.3sp.hl.TZ0.4b.ii: State your conclusion at the 1 % significance level.
- 18M.3sp.hl.TZ0.4b.i: Determine the p-value.
- 18M.3sp.hl.TZ0.4a: State suitable hypotheses to investigate whether or not a negative linear association exists...
- 17N.3sp.hl.TZ0.4b: Find the least value of |r| for which the test concludes that ρ≠0.
- 17N.3sp.hl.TZ0.4a: State suitable hypotheses to investigate whether or not U, V are independent.
- 14N.3sp.hl.TZ0.3b: In a particular company, it is claimed that the distance travelled by employees to work is...
