- Q2 A Find A Linear Equation To Best Represent The Data In Table Q2a And Calculate The Correlation Coefficient R Tab 1 (78.3 KiB) Viewed 34 times
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Q2.a) Find a linear equation to best represent the data in Table Q2a, and calculate the correlation coefficient (r). Table Q2a х y 2. 15 -82 -55 30 45 -14 60 128 75 134 (15 marks) b) Perform a t-test on the independent samples, A and B, shown in Table Q2b, to determine whether they can be regarded as being drawn from the same normal distribution. You are expected to show all the intermediate results in your working but you can use the common statistical functions that are available on a basic scientific calculator to save time. Table Q2b B A 52 65 70 74 81 93 67 68 70 89 90 90 (10 marks)