The width mu of the scutum of larvae of the tick Haemaphysal
The width (mu) of the scutum of larvae of the tick, Haemaphysalis leporispalustris, taken from 4 rabbit hosts was measured Assume non-normality. Are there any differences? Check your calculated answers by also using SPSS
Solution
Conclusion: There is a significant variance component among hots for width of scutum in larval ticks.
| Groups | Count | Sum | Average | Variance | ||
| A | 13 | 4733 | 364.0769 | 167.0769 | ||
| B | 10 | 3536 | 353.6 | 137.6 | ||
| C | 8 | 2872 | 359 | 76.57143 | ||
| D | 6 | 2168 | 361.3333 | 233.0667 | ||
| ANOVA | ||||||
| Source of Variation | SS | df | MS | F | P-value | F crit |
| Between Groups | 641.0733 | 3 | 213.6911 | 1.426147 | 0.252689 | 2.891563522 |
| Within Groups | 4944.656 | 33 | 149.8381 | |||
| Total | 5585.73 | 36 |
