A housewife is testing the cutting speeds of 4 brands of knives she has at home. She chose 5 cutting materials of varying degree at home. Each material was cut once by each one of the 4 knives. (Hence after all 4 cuts the material was cut into 5 pieces). Is this a randomized block design or two factor design? If random block design, what is used as the block? If two factor design, what are the two factors in the study? State the null and alternative hypotheses. Here is the output table for ANOVA test with missing values. Fill in the missing values (where the cells are underlined) Source df SS MS F Knife 310 Material 46 Error 12 24 What is the F statistic for the test? Will you reject or fail to reject (at alpha=0.05)? What is the sum square of total?
A housewife is testing the cutting speeds of 4 brands of knives she has at home. She chose 5 cutting materials of varying degree at home. Each material was cut once by each one of the 4 knives. (Hence after all 4 cuts the material was cut into 5 pieces). Is this a randomized block design or two factor design? If random block design, what is used as the block? If two factor design, what are the two factors in the study? State the null and alternative hypotheses. Here is the output table for ANOVA test with missing values. Fill in the missing values (where the cells are underlined) Source df SS MS F Knife 310 Material 46 Error 12 24 What is the F statistic for the test? Will you reject or fail to reject (at alpha=0.05)? What is the sum square of total?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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- A housewife is testing the cutting speeds of 4 brands of knives she has at home. She chose 5 cutting materials of varying degree at home. Each material was cut once by each one of the 4 knives. (Hence after all 4 cuts the material was cut into 5 pieces).
- Is this a randomized block design or two factor design?
If random block design, what is used as the block?
If two factor design, what are the two factors in the study?
- State the null and alternative hypotheses.
- Here is the output table for ANOVA test with missing values. Fill in the missing values (where the cells are underlined)
Source |
df |
SS |
MS |
F |
Knife |
|
310 |
|
|
Material |
|
|
46 |
|
Error |
12 |
24 |
|
|
|
|
|
|
|
- What is the F statistic for the test? Will you reject or fail to reject (at alpha=0.05)?
- What is the sum square of total?
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