If Amazon wanted to ensure a customers' response to an online survey was confidential
and the sampling method was unbiased, which of the following should be implemented?
- ️️Identify each randomly selected customer by a random identification number
Which of the following describes the steps ...
Bual 2600 Halpin Connect ?'s Exam 1
If Amazon wanted to ensure a customers' response to an online survey was confidential
and the sampling method was unbiased, which of the following should be implemented?
- ✔️✔️Identify each randomly selected customer by a random identification number
Which of the following describes the steps of the Analytic Process after we know the
business problem? - ✔️✔️Choose DataSourcing Method-Collect Descriptives-Make
Prediction-Ask Next Question
Which of the following is a quantitative variable? - ✔️✔️Mileage of a car
In the Analytic Process, the next step after the descriptives (descriptives is the data that
has occurred up to the current point in time) have been collected, is to use the data to: -
✔️✔️Make predictions
A ________ variable takes on values that are numbers on the real number line. -
✔️✔️quantitative
A person's telephone area code is an example of a(n) ________ variable. -
✔️✔️nominative
A doctor's office needs to know how many of their services are used by their patients
during a 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 of the following dataourcing methods best describes this data
collection scenario? - ✔️✔️Point of Sale
An identification of police officers by rank would represent a(n) ________ level of
measurement. - ✔️✔️ordinal
The dollar amount on an accounts receivable invoice. - ✔️✔️Quantitative
The net profit for a company in 2017. - ✔️✔️Quantitative
The stock exchange on which a company's stock is traded. - ✔️✔️Qualitative
The national debt of the United States in 2017. - ✔️✔️Quantitative
The advertising medium (radio, television, or print) used to promote a product. -
✔️✔️Qualitative
, 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 datasourcing method needed to collect the data for this
scenerio is - ✔️✔️Sensor
Possible qualitative data for Stitchfix to collect is a clothing size such as small, medium,
and large. This is an example of __________ (ordinal, nominal, discrete, or continuous)
variable. - ✔️✔️Ordinal
Statistics course letter grade - ✔️✔️Ordinal
Television show classifications - ✔️✔️Ordinal
Personal computer ownership - ✔️✔️Nominative
Restaurant rating (*)'s - ✔️✔️Ordinal
Income Tax Filing Status - ✔️✔️Nominative
A(n) ________ variable is a qualitative variable such that there is no meaningful
ordering or ranking of the categories. - ✔️✔️nominative
A(n) ________ variable can have values that indicate into which of several categories of
a population it belongs. - ✔️✔️qualitative
The purpose of collecting a random sample from a population is - ✔️✔️to make
statistical inferences about the entire population
Which of the following questions would result in Response Bias? - ✔️✔️Since hacking
is so common, are you confident that the information you provide online is secure?
A local store wants to find out if a new item is linked by their customers. They ask the
first 10 customers that enter the store and use only this data. This is an example of
sampling. - ✔️✔️Convenient
In ________ we select elements because they are easy to sample. - ✔️✔️convenience
sampling
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: - ✔️✔️Stratified Random Sampling
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