HW 1 Data Fundamentals BUSN 5000 Exam
Questions With Correct Answers
Pro Tips - CORRECT ANSWER✔✔-1. Make sure the first letter in the answer is
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NOT capitalized. It will say your answer is wrong even if you're right.
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2. for questions with multiple answers make sure you put a comma between the
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answers plus a space after the comma.
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The term data is (singlular/plural) _____. - CORRECT ANSWER✔✔-plural
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Data that is organized in a table of records and fields is _____. - CORRECT
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ANSWER✔✔-structured
Each record is made of _____ that contain measurements of known types. -
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CORRECT ANSWER✔✔-fields |
A data table is made up of rows containing _____ and columns containing _____.
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- CORRECT ANSWER✔✔-records, fields
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We say that data are tidy if each variable corresponds to a _____, each row an
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_____, and each cell a _____. - CORRECT ANSWER✔✔-column, observation,
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single value |
, A quick-serve restaurant chain records sales, staffing and customer traffic every
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day for each store. You recognize this as a _____ data set where the unit of
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observation is the store-day. - CORRECT ANSWER✔✔-panel
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We distinguish 4 stages of data analysis. Name them. - CORRECT ANSWER✔✔-
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acquisition, transformation, analysis, communication
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The second stage involves, among other things, making sure the data are _____
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(as the Posit folks would say). - CORRECT ANSWER✔✔-tidy
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In the third stage, the workhorse will be the _____. - CORRECT ANSWER✔✔-CEF
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A variable will not have _____ if it does not measure what it is supposed to. -
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CORRECT ANSWER✔✔-validity |
A national company has developed a new product and is offering it for sale at a
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discount to introduce it to the market. Randomly surveying customer who
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purchased the product in the initial discount period (would/would not) ______
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generate a sample representing the population of typical customers. - CORRECT
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ANSWER✔✔-would not |
It is advisable to _____ the acquisition, transformation and analysis tasks. -
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CORRECT ANSWER✔✔-separate |
One reason reproducibility matters is to protect and support your _____ self. -
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CORRECT ANSWER✔✔-future |
Questions With Correct Answers
Pro Tips - CORRECT ANSWER✔✔-1. Make sure the first letter in the answer is
| | | | | | | | | | | | | |
NOT capitalized. It will say your answer is wrong even if you're right.
| | | | | | | | | | | | |
2. for questions with multiple answers make sure you put a comma between the
| | | | | | | | | | | | | |
answers plus a space after the comma.
| | | | | |
The term data is (singlular/plural) _____. - CORRECT ANSWER✔✔-plural
| | | | | | | |
Data that is organized in a table of records and fields is _____. - CORRECT
| | | | | | | | | | | | | | |
ANSWER✔✔-structured
Each record is made of _____ that contain measurements of known types. -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-fields |
A data table is made up of rows containing _____ and columns containing _____.
| | | | | | | | | | | | |
- CORRECT ANSWER✔✔-records, fields
| | | |
We say that data are tidy if each variable corresponds to a _____, each row an
| | | | | | | | | | | | | | | |
_____, and each cell a _____. - CORRECT ANSWER✔✔-column, observation,
| | | | | | | | | |
single value |
, A quick-serve restaurant chain records sales, staffing and customer traffic every
| | | | | | | | | | |
day for each store. You recognize this as a _____ data set where the unit of
| | | | | | | | | | | | | | | |
observation is the store-day. - CORRECT ANSWER✔✔-panel
| | | | | |
We distinguish 4 stages of data analysis. Name them. - CORRECT ANSWER✔✔-
| | | | | | | | | | |
acquisition, transformation, analysis, communication
| | |
The second stage involves, among other things, making sure the data are _____
| | | | | | | | | | | | |
(as the Posit folks would say). - CORRECT ANSWER✔✔-tidy
| | | | | | | |
In the third stage, the workhorse will be the _____. - CORRECT ANSWER✔✔-CEF
| | | | | | | | | | | |
A variable will not have _____ if it does not measure what it is supposed to. -
| | | | | | | | | | | | | | | | |
CORRECT ANSWER✔✔-validity |
A national company has developed a new product and is offering it for sale at a
| | | | | | | | | | | | | | | |
discount to introduce it to the market. Randomly surveying customer who
| | | | | | | | | | |
purchased the product in the initial discount period (would/would not) ______
| | | | | | | | | | |
generate a sample representing the population of typical customers. - CORRECT
| | | | | | | | | | |
ANSWER✔✔-would not |
It is advisable to _____ the acquisition, transformation and analysis tasks. -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-separate |
One reason reproducibility matters is to protect and support your _____ self. -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-future |
