|
| x | freq (f) | f (%) | Fx | f(x - x)2 |
| SA | 5 | 213.00 | 66.15 | 330.75 | 66.15(5 - 4.20)2 |
| A | 4 | 47.50 | 14.75 | 59.00 | 14.75(4 - 4.20)2 |
| U | 3 | 2.00 | 0.62 | 1.86 | 0.62(3 - 4.20)2 |
| D | 2 | 32.75 | 10.17 | 20.34 | 10.17(2 - 4.20)2 |
| SD | 1 | 26.75 | 8.31 | 8.31 | 8.31(1 - 4.20)2 |
| Total |
| 322 | 100.00 | 420.26 | 301.86 |