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2.2 L: Data presentation and interpretation

2.2 L: Data presentation and interpretation

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Question 31

Sunil is testing, at the 5% significance level, whether there is any correlation between two variables in a population whose correlation coefficient is ρ\rhoρ.

Identify the correct alternative hypothesis for Sunil's test.

Tick one box.

A

H1:ρ=0H_1: \rho = 0H1​:ρ=0

B

H1:ρ>0H_1: \rho > 0H1​:ρ>0

C

H1:ρ<0H_1: \rho < 0H1​:ρ<0

D

H1:ρ≠0H_1: \rho \neq 0H1​:ρ=0

Markscheme

2.2 L: Data presentation and interpretation Questions

  1. A Level
  2. /Maths
  3. /2.2 L: Data presentation and interpretation

244 exam-style questions on AQA A Level Maths 2.2 L: Data presentation and interpretation, covering 2.2.1 Single-variable data diagrams, 2.2.2 Scatter diagrams and correlation, 2.2.3 Central tendency, variation and standard deviation, 2.2.4 Outliers and cleaning data, and 2.2 L: Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.

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