The data in the tables below, comprises of the number of hours (X) studied and the exam grade (Y) obtained for 6 first year students registered at UWC. Calculate the slope (rounded off to four decimals). X 2 5 1 2 3 3 Y (%) 60 85 73 80 90 87   SSxy = 42.33 SSx = 9.33 SSy = 618.83  = 2.6667  = 79.1667 b = 4.53567

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The data in the tables below, comprises of the number of hours (X) studied and the exam grade (Y) obtained for 6 first year students registered at UWC. Calculate the slope (rounded off to four decimals).

X

2

5

1

2

3

3

Y (%)

60

85

73

80

90

87

 

SSxy = 42.33

SSx = 9.33

SSy = 618.83

 = 2.6667

 = 79.1667

b = 4.53567

       
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