17 Questions
What type of regression model is selected for analyzing the results in the text?
Simple Regression
In the context of the text, what does the response variable represent?
Rating
What do the dummy variables C4 to C11 represent in the text?
Predictors
What is the purpose of having dummy variables X1 and X2 representing Flavour in the text?
To account for Flavour differences
What is the estimated value of parameter b0 in the Basic Regression Model in the text?
4.222
Based on the given parameters, what is the purpose of having dummy variables X3 and X4 representing Texture?
To account for Texture differences
What does the basic model in conjoint analysis calculate?
Overall utility of an alternative
In the basic model of conjoint analysis, what does αij represent?
Partworth utilities contribution associated with the jth level of the ith attribute
How are partworth utilities referred to in conjoint analysis?
Attribute importance scores
In the basic regression model of conjoint analysis, what does the dummy variable represent?
Difference in part-worth for a level compared to the baseline level
What does Σ partworth utilities (α) = 0 indicate in conjoint analysis?
Balance of part-worth utilities across attributes and levels
In the context of the basic model for Conjoint Analysis, what do X1 and X2 dummy variables represent?
Flavour
What is the purpose of creating dummy variables in regression analysis?
To handle categorical data
How many product profiles were evaluated in the jam example provided?
9
Which attribute levels were coded as 0 and 1 for Texture in the Conjoint Analysis basic model?
2 and 3
What is the purpose of creating a design matrix in analysis?
To transform categorical data into numerical form
What do the dummy variables X5 and X6 represent in the full factorial design discussed?
Price
Learn about creating dummy variables, analyzing data using regression models, and creating design matrices at Massey University. Explore techniques for analyzing results at individual and aggregate levels.
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