The term data is (singlular/plural) _____. correct answers plural
Data that is organized in a table of records and fields is _____. correct answers structured
Each record is made of _____ that contain measurements of known types. correct answers fields
A data table is made up of rows containing _____ and columns containing _____. correct
answers records, fields
We say that data are tidy if each variable corresponds to a _____, each row an _____, and each
cell a _____. correct answers 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 answers panel
We distinguish 4 stages of data analysis. Name them. correct answers acquisition,
transformation, analysis, communication
The second stage involves, among other things, making sure the data are _____ (as the Posit
folks would say). correct answers tidy
In the third stage, the workhorse will be the _____. correct answers CEF
A variable will not have _____ if it does not measure what it is supposed to. correct answers
validity