6 Use least significant difference method to make 95 CI for

6)         Use least significant difference method to make 95% CI for difference in population means for detergents 2 and 5.

                                                 The GLM Procedure

                                                                           Weight

Level of detergent

N

Mean

Standard deviation

1

20

0.07350000

0.19252546

2

20

0.19050000

0.18540070

3

20

0.46000000

0.16463676

4

20

0.36550000

0.16535369

5

20

0.12500000

0.17273344

Solution