6       41              14

24.29           3        28              13

22.76          4        26              10

28.17           9        54              16

19.68           7        18                8

25.15           6        50              13

20.36           9        19               7

21.16           3        19               8

25.95          10       45              14

18.76          12       12                5

18.76           8      16                5

24.49           7        35               13

19.56           2        12                8

22.63           8        30               11

21.16           5        13                8

21.16          11       20                8

19.68            5       19                8

18.76            5       14                7

17.98            5       11                4

23.37           10      25               12

25.22             6      32               14

27.06             8      44               16

21.06             9      28                 9

22.63             8      31                11

19.68             7      19                  8

22.76             8      28                 10

21.96            13     18                  9

25.95            10     32                 14

26.14              8     44                 15

24.29              8     34                 13

24.35              3     33                 12

1. Write the regression equation.

2. Interpret the regression constant and partial regression coefficients.

3. Test the overall significant of the regression model

4. Is there any indication of multicollinearity.