8. [Maximum mark: 6] At Springfield University, the weights, in kg, of 10 chinchilla rabbits and 10 sable rabbits were recorded. The aim was to find out whether chinchilla rabbits are generally heavier than sable rabbits. The results obtained are summarized in the following table. 4.9 4.2 4.1 4.4 4.3 4.6 4.0 4.7 4.5 4.4 Weight of chinchilla rabbits, kg 4.0 Weight of sable rabbits, kg 4.2 4.1 4.1 4.2 4.5 4.4 4.5 3.9 1.2 A r-test is to be performed at the 5% significance level. (a) Write down the null and alternative hypotheses. [2] (b) Find the p-value for this test. [2] (c) Write down the conclusion to the test. Give a reason for your answer. [2]