What are the requirements in order for data to be reliable? (select all that apply)

Practice Quiz

What are the requirements in order for data to be reliable? (Select all that apply)

1 point

Data should be structured

Data should be free of all errors

Data should be relevant

Data should be easy to collect

2.

Question 2

What type of data is produced by wearable devices, smart buildings, and medical devices?

1 point

Sensor data

Census data

Observation study data

Survey data

3.

Question 3

What type of data is semi-structured and has some organizational properties but not a rigid schema?

1 point

Data from OLTP systems

Emails

Online forms

Web logs

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