Store 24 Case Analysis Solution

Data Analysis and Decision Making Under Uncertainty Week 12 Workshop Store24 Solutions

2

Data Analysis & Decision Making Under Uncertainty (2009)

Part 1: Developing a model for FutureContribution
Figure 1 Plots of each predictor variable against FutureContribution
Scatterplot of FutureContribution vs CYJCWScore Correlation -0.063
50000 50000

Scatterplot of FutureContribution vs BanBoredomScore Correlation 0.164

FutureContribution

FutureContribution

45000 40000 35000 30000 25000 20000 15000 10000 75 80 85 90 95 100

45000 40000 35000 30000 25000 20000 15000 60 70 80 90 100 110 120 130 140

StatTools Student Version
For Academic Use Only

StatTools Student Version
For Academic Use Only

CYJCWScore

BanBoredomScore

Scatterplot of FutureContribution vs CrewSkill Correlation 0.773
50000 45000 40000 35000 30000 25000 20000 15000 2 2.5 3 3.5 4 4.5 5 50000

Scatterplot of FutureContribution vs ManagerSkills Correlation 0.054

FutureContribution

FutureContribution

45000 40000 35000 30000 25000 20000 15000 2 2.5 3 3.5 4 4.5

StatTools Student Version
For Academic Use Only

StatTools Student Version
For Academic Use Only

CrewSkills

ManagerSkills

Scatterplot of FutureContribution vs Population Correlation 0.021
50000 45000 40000 35000 30000 25000 20000 15000 0 5000 10000 15000 20000 25000 30000 50000

Scatterplot of FutureContribution vs PerCapitaIncome Correlation -0.027

FutureContribution

FutureContribution

45000 40000 35000 30000 25000 20000 15000 5000

StatTools Student Version
For Academic Use Only

StatTools Student Version
For Academic Use Only

15000

25000

35000

45000

55000

65000

Population

PerCapitaIncome

Scatterplot of FutureContribution vs NumberofCompetitors Correlation 0.074
50000

FutureContribution

45000 40000 35000 30000 25000 20000 15000 0 1 2 3 4 5 6 7 8

StatTools Student Version
For Academic Use Only

NumberofCompetitors

Store24 Solutions – (2009)

1

Comment: There appears to be two distinct groupings in all of the above