QUESTION :

3. A lecturer wants to investigate whether students who scored high marks in Elementary Mathematics also scored high marks in Elementary Statistics. The lecturer collected the scores for nine students as shown in Table 2. Table 2 . Elementary (a) Without using any software, calculate the Spearrnan rank correlation coefcient { 12 } [b] Test whether there exists a linear relationship between the scores for Elementary Mathematics and Elementary Statistics at the 5% level of signicance. [ B l