# Control Chart, Regression and Process Capability -AboveWay Sandwich, Inc. Customer Satisfaction Improvement

August 14, 2017

AboveWay Sandwich, Inc. Customer Satisfaction ImprovementDo you
agree with their interpretation that the original process is stable?
If “NO”, please identify BY NAME which of the 11 Shewhart Tests for
Stability EACH chart fails. Revised Process Prep Data INDIVIDUALS
CHART: What did you get for a center line? What did you get
for an upper control limit? What did you get for a lower control
limit? Revised Process Prep Data MOVING RANGE CHART: What
did you get for a center line? What did you get for an upper
control limit? What did you get for a lower control limit? Is
the revised process stable? If “NO”, please identify BY NAME which
of the 11 Shewhart Tests for Stability EACH chart fails.AboveWay
Sandwich, Inc. Customer Satisfaction Improvement Deliverable:
Regression Analysis Student last name: Your last name here PART
1: Using Lunch & Dinner Data What is the correlation coefficient?
What is the regression equation? What percentage of variation
is explained by the model? HINT: There are 2 related values that can be
used to answer this question. Show them BOTH and explain which value
you would recommend using and why. Based on an ANOVA of the
regression equation, is the regression equation statistically
significant at 5% alpha risk? Why do you you say that it is either
statistically significant or not? HINT: Use the results of your ANOVA as
the basis for your answer. What is the null hypothesis for ANOVA
for a regression equation? PART 2: Using Only Lunch Data What is
the correlation coefficient for Lunch? What is the regression
equation for Lunch? What percentage of variation is explained by
the Lunch model? HINT: There are 2 related values that can be used to
answer this question. Show them BOTH and explain which value you would
recommend using and why. Based on an ANOVA of the regression
equation, is the regression equation statistically significant at 5%
alpha risk? Why do you you say that it is either statistically
significant or not? HINT: Use the results of your ANOVA as the basis for
Belt do next to improve customer satisfaction at lunch? PART 3: Using
Only Dinner Data What is the correlation coefficient for Dinner?
What is the regression equation for Dinner? What percentage of
variation is explained by the Dinner model? HINT: There are 2 related
values that can be used to answer this question. Show them BOTH and
explain which value you would recommend using and why. Based on an
ANOVA of the regression equation, is the regression equation
statistically significant at 5% alpha risk? Why do you you say that it
is either statistically significant or not? HINT: Use the results of