1. Use the table below to answer the following questions D1 D2 D3 Variable 1 0 0
ID: 3294184 • Letter: 1
Question
1. Use the table below to answer the following questions
D1
D2
D3
Variable 1
0
0
1
Variable 2
0
1
0
Variable 3
0
0
0
Variable 4
1
0
0
a. What kind of coding (dummy or effects coding) is being shown here?
b. In a regression equation using the above coding scheme, what would the intercept represent?
2. Fill in the table below such that you use effects coding and V2 is the group not interpreted in the analysis.
D1
D2
Variable 1
Variable 2
Variable 3
D1
D2
D3
Variable 1
0
0
1
Variable 2
0
1
0
Variable 3
0
0
0
Variable 4
1
0
0
Explanation / Answer
a. What kind of coding (dummy or effects coding) is being shown here?
this is dummy coding
b. In a regression equation using the above coding scheme, what would the intercept represent?
intercept will represent coefficient of variable 3 . as all dummy variable for variable 3 is 0.
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