BUAL 2600 GRAMLING EXAM 1 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Question:
1. T/F Business analytics is a new field that does not use traditional statistics to analyze big data.
Answer:
False
Question:
2. A __ variable takes on values that are numbers on the real number line.
Answer:
quantitative
Question:
3. A __ variable is a qualitative variable such that there is no meaningful ordering or ranking of the
categories
Answer:
nominative
Question:
4. Classify as ordinal or nominative:
1. Statistics course letter grade
2. Door choice on "Lets make a deal"
3. Television show classifications
4. personal computer ownership
5. restaurant rating
6. income tax filing status
Answer:
1. ordinal
2. nominative
3. ordinal
4. nominative
5. ordinal
6. nominative
Question:
5. Possible qualitative data for stitch fix to collect is a clothing size such as small, medium, and large. This
is an example of___ variable.
Answer:
ordinal
Question:
6. A commercial shipping company operates a large fleet of trucks. The company needs to collect data on
vehicle usage including acceleration, braking, and vehicle maintenance such as fluid levels. The data
sourcing method needed to collect the data for this scenario is __
, Answer:
sensor
Question:
7. In the analytic process, the next step after the descriptives(descriptives is the data that has occurred up to
current point in time) have been collected, is to use the data to:
Answer:
make predictions
Question:
8. Measurements from a population are called
Answer:
observations
Question:
9. A doctors office needs to know how many of their services are used by their patients during one year
time period. Before a patient leaves their office, a summary report includes the date, the doctor they saw,
the services provided, and the total charge for each service. Which data sourcing method method describes
this scenario?
Answer:
point of scale
Question:
10. A persons telephone code is an example of a __ variable
Answer:
nominative
Question:
11. An identification of police officers by rank would represent a __ level of measurement.
Answer:
ordinal
Question:
12. T/F A quantitative variable can also be referred to as a categorial variable
Answer:
false (qualitative can)
Question:
13. What step describes the step of the analytic process after we know the business problem
Answer:
choose datasourcing method-collect descriptives-make prediction-ask next question
Question:
14. T/F An example of a qualitative variable is the mileage of a car
Answer:
false
QUESTIONS AND CORRECT ANSWERS
Question:
1. T/F Business analytics is a new field that does not use traditional statistics to analyze big data.
Answer:
False
Question:
2. A __ variable takes on values that are numbers on the real number line.
Answer:
quantitative
Question:
3. A __ variable is a qualitative variable such that there is no meaningful ordering or ranking of the
categories
Answer:
nominative
Question:
4. Classify as ordinal or nominative:
1. Statistics course letter grade
2. Door choice on "Lets make a deal"
3. Television show classifications
4. personal computer ownership
5. restaurant rating
6. income tax filing status
Answer:
1. ordinal
2. nominative
3. ordinal
4. nominative
5. ordinal
6. nominative
Question:
5. Possible qualitative data for stitch fix to collect is a clothing size such as small, medium, and large. This
is an example of___ variable.
Answer:
ordinal
Question:
6. A commercial shipping company operates a large fleet of trucks. The company needs to collect data on
vehicle usage including acceleration, braking, and vehicle maintenance such as fluid levels. The data
sourcing method needed to collect the data for this scenario is __
, Answer:
sensor
Question:
7. In the analytic process, the next step after the descriptives(descriptives is the data that has occurred up to
current point in time) have been collected, is to use the data to:
Answer:
make predictions
Question:
8. Measurements from a population are called
Answer:
observations
Question:
9. A doctors office needs to know how many of their services are used by their patients during one year
time period. Before a patient leaves their office, a summary report includes the date, the doctor they saw,
the services provided, and the total charge for each service. Which data sourcing method method describes
this scenario?
Answer:
point of scale
Question:
10. A persons telephone code is an example of a __ variable
Answer:
nominative
Question:
11. An identification of police officers by rank would represent a __ level of measurement.
Answer:
ordinal
Question:
12. T/F A quantitative variable can also be referred to as a categorial variable
Answer:
false (qualitative can)
Question:
13. What step describes the step of the analytic process after we know the business problem
Answer:
choose datasourcing method-collect descriptives-make prediction-ask next question
Question:
14. T/F An example of a qualitative variable is the mileage of a car
Answer:
false