BUAL 2600 Gramling Exam 1 ACTUAL
QUESTIONS AND CORRECT ANSWERS
T/F Business analytics is a new field that does not use traditional statistics to analyze big data. -
CORRECT ANSWER False
A __ variable takes on values that are numbers on the real number line. - CORRECT ANSWER
quantitative
A __ variable is a qualitative variable such that there is no meaningful ordering or ranking of the
categories - CORRECT ANSWER nominative
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 - CORRECT ANSWER 1. ordinal
2. nominative
3. ordinal
4. nominative
5. ordinal
6. nominative
Possible qualitative data for stitch fix to collect is a clothing size such as small, medium, and large.
This is an example of___ variable. - CORRECT ANSWER ordinal
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 __ - CORRECT ANSWER
sensor
, 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: - CORRECT ANSWER
make predictions
Measurements from a population are called - CORRECT ANSWER observations
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? - CORRECT ANSWER point of scale
A persons telephone code is an example of a __ variable - CORRECT ANSWER nominative
An identification of police officers by rank would represent a __ level of measurement. - CORRECT
ANSWER ordinal
T/F A quantitative variable can also be referred to as a categorial variable - CORRECT ANSWER
false
(qualitative can)
What step describes the step of the analytic process after we know the business problem - CORRECT
ANSWER choose datasourcing method-collect descriptives-make prediction-ask next question
T/F An example of a qualitative variable is the mileage of a car - CORRECT ANSWER false
Stitchfix wants to make sure different specific characteristics, such as all different age groups, are
represented in their sample. The appropriate sampling method they should use is: - CORRECT
ANSWER stratified random sampling
T/F convenience sampling is a type of probability sampling in which we select elements to sample
because we believe they have the highest probability of responding - CORRECT ANSWER
false
QUESTIONS AND CORRECT ANSWERS
T/F Business analytics is a new field that does not use traditional statistics to analyze big data. -
CORRECT ANSWER False
A __ variable takes on values that are numbers on the real number line. - CORRECT ANSWER
quantitative
A __ variable is a qualitative variable such that there is no meaningful ordering or ranking of the
categories - CORRECT ANSWER nominative
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 - CORRECT ANSWER 1. ordinal
2. nominative
3. ordinal
4. nominative
5. ordinal
6. nominative
Possible qualitative data for stitch fix to collect is a clothing size such as small, medium, and large.
This is an example of___ variable. - CORRECT ANSWER ordinal
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 __ - CORRECT ANSWER
sensor
, 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: - CORRECT ANSWER
make predictions
Measurements from a population are called - CORRECT ANSWER observations
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? - CORRECT ANSWER point of scale
A persons telephone code is an example of a __ variable - CORRECT ANSWER nominative
An identification of police officers by rank would represent a __ level of measurement. - CORRECT
ANSWER ordinal
T/F A quantitative variable can also be referred to as a categorial variable - CORRECT ANSWER
false
(qualitative can)
What step describes the step of the analytic process after we know the business problem - CORRECT
ANSWER choose datasourcing method-collect descriptives-make prediction-ask next question
T/F An example of a qualitative variable is the mileage of a car - CORRECT ANSWER false
Stitchfix wants to make sure different specific characteristics, such as all different age groups, are
represented in their sample. The appropriate sampling method they should use is: - CORRECT
ANSWER stratified random sampling
T/F convenience sampling is a type of probability sampling in which we select elements to sample
because we believe they have the highest probability of responding - CORRECT ANSWER
false
