Question

which of these is metadata of a satisfaction survey?
i. date
ii. time
iii. rating

options:
i & iii
ii & iii
i, ii, & iii
i & ii

question 6
1 pts
cleaning data means making it uniform without changing ______?
options:
the source
the data type
the meaning

Explanation:

Metadata provides information about data. In a satisfaction survey, date and time (I & II) are metadata as they describe when the survey was taken. Rating (III) is the actual data of the survey (the response), not metadata.
For the second question, data cleaning aims to make data uniform but not change its meaning. Changing the source would be data acquisition modification, and changing data type is part of formatting but not the core of cleaning without altering meaning.

Answer:

For the first question: I & II
For the second question: The meaning