EXAM FOR CLASSIFYING AND
COLLECTING DATA QUESTIONS AND
ANSWERS
What are some of the best practices you should follow for data collection? -
ANSWER--Regularly screen the data for entry errors
-Record the order in which data is collected
-Provide people with complete training on the process
-Record the before and after values for variables that change over time
-Avoid disregarding outliers
What are some principles of data sampling? - ANSWER--Primary sources of data
are preferable to secondary sources
-Samples should represent the entire population
-Samples should be free of bias
Surveys are one method you can use to collect data.
What are the benefits of surveys? - ANSWER--There are many options for how to
conduct them
-Data can be gathered in a consistent manner
What are characteristics of an effective checklist? - ANSWER--The questions invite a
yes/no response or can be rated on a scale
-It has been tested on a pilot group and revised accordingly
1.Discrete data
2.Continuous data - ANSWER-1.The small, medium, and large sizes available for a
cardigan
-The number of customers who qualify for a discounted price
2.The temperatures a dish can withstand in the oven
-The weight of each plate in a crockery set
-The monetary cost of recovering from bad publicity
What types of decisions are impacted by data classification during the Measure
stage of a Six Sigma project? - ANSWER--How will the data be collected?
-Which measurement and statistical tools will be used?
What are some characteristics of automated data collection? - ANSWER--Provides
objective information
-Free from human error
-Accessible by multiple sources
-May require expensive equipment
1.Quantitative
2.Qualitative - ANSWER-1.The cup of coffee has one inch of foam at the top
-The computer monitor has a resolution of 1920 by 1080 pixels
COLLECTING DATA QUESTIONS AND
ANSWERS
What are some of the best practices you should follow for data collection? -
ANSWER--Regularly screen the data for entry errors
-Record the order in which data is collected
-Provide people with complete training on the process
-Record the before and after values for variables that change over time
-Avoid disregarding outliers
What are some principles of data sampling? - ANSWER--Primary sources of data
are preferable to secondary sources
-Samples should represent the entire population
-Samples should be free of bias
Surveys are one method you can use to collect data.
What are the benefits of surveys? - ANSWER--There are many options for how to
conduct them
-Data can be gathered in a consistent manner
What are characteristics of an effective checklist? - ANSWER--The questions invite a
yes/no response or can be rated on a scale
-It has been tested on a pilot group and revised accordingly
1.Discrete data
2.Continuous data - ANSWER-1.The small, medium, and large sizes available for a
cardigan
-The number of customers who qualify for a discounted price
2.The temperatures a dish can withstand in the oven
-The weight of each plate in a crockery set
-The monetary cost of recovering from bad publicity
What types of decisions are impacted by data classification during the Measure
stage of a Six Sigma project? - ANSWER--How will the data be collected?
-Which measurement and statistical tools will be used?
What are some characteristics of automated data collection? - ANSWER--Provides
objective information
-Free from human error
-Accessible by multiple sources
-May require expensive equipment
1.Quantitative
2.Qualitative - ANSWER-1.The cup of coffee has one inch of foam at the top
-The computer monitor has a resolution of 1920 by 1080 pixels
