Dr. Chen is studying the relationship between the elevation of weather stations and the average daily temperature recorded during the summer months.
Suggest a suitable null and alternative hypothesis for a two-tail test.
Dr. Chen takes a sample of 12 stations and finds a product moment correlation coefficient of -0.59.
Carry out the hypothesis test at the 5% significance level.
Practise Edexcel A Level Maths Hypothesis Testing for Zero Correlation with exam-style questions for A Level Maths. 52 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
