This is personal study note
Copyright and original reference:
https://www.youtube.com/watch?v=TtqUCUr711s&list=PLsri7w6p16vsOVj5cL8U4z0m4RdMZfhme
================================================================================
2 independent variables
- brand
- location
1 dependent variable
- satisfaction
================================================================================
Independent variable A: brand
Independent variable B: location
================================================================================
brand location satisfaction
A GangNam 1
A GangNam 4
A GangNam 1
B GangNam 4
B GangNam 4
B GangNam 3
C GangNam 4
C GangNam 3
C GangNam 4
A HongDae 2
A HongDae 2
A HongDae 3
...
================================================================================
Establish hypothesis
entire mean $$$\bar{x}$$$
store name $$$\bar{x}_i$$$
store location \bar{x}_j
$$$\bar{x}_{ij}$$$
kth observation $$$\bar{x}_{ijk}$$$
================================================================================
i: brand name
j: location
k: kth value
================================================================================
================================================================================
================================================================================
================================================================================
================================================================================