Course Title Experimental Designs
Course Code STA643
Activity Assignment # 2
Submission Deadline Date: Monday, Dec 09, 2019
Time: 23:59 Hours (Midnight)
Instructions to attempt assignment:
• You can use/make a single table for all necessary computations.
• Use calculator for calculations.
• Write the complete formulas and all steps, wherever necessary.
• For writing symbols, use MathType software. If you already did not download it, get it from here.
• Make your own attempt, any copy/past; cheating from other student/website may result in ZERO marks and/or assignment cancelation.
Question1:
An Experiment was conducted compare the yields of three varieties of potatoes. Each variety was assigned at random to equal size plots, four times. The yields were as follows:
| Varieties |
|---|
| A | B | C |
|---|---|---|
| 23 | 18 | 16 |
| 26 | 28 | 25 |
| 20 | 17 | 12 |
| 17 | 21 | 14 |
Test the hypothesis that the three verities of potatoes are not different in the yielding capabilities.
Question2:
Complete the ANOVA table.
| Source of variation | Sum of squares | Degrees of freedom | Mean square | F |
|---|---|---|---|---|
| B/W treatments | 4 | 19.860 | 6.90 | |
| Error | ||||
| Total | 137.040 | 24 |
