Data Analysis Quiz

What are raw materials that are stored and analyzed for future purposes called?

• Information

• Data

• Variables

• Trends

Metadata for a picture might include:

• The photographer's name

• The camera model

• The date the photo was taken

• All of the above

Which of the following is is considered the best descriptive variable name?

• x

• data

• userName

• a

Which of the following is true about tuples in Python?

• Tuples can be modified.

• Tuples are mutable.

• Tuples are immutable.

• Tuples cannot be indexed.

Which grammatical symbols are used to create a set in Python?

• ( )

• [ ]

• { }

• " "

Which of the following statements is NOT true about Python lists?

• Can't contain other lists.

• Can contain other lists.

• Can contain dictionaries.

• Can contain tuples.

What is the primary use of sets in Python?

• To maintain order

• To store duplicate elements

• To store unique elements

• To store mutable elements

Which type of bias is associated with the pre-trial phase?

• Recall bias

• Confounding

• Selection bias

• Performance bias

What type of bias may involve errors if the survey is taken after a long period of time has passed since an event?

• Recall bias

• Selection bias

• Citation bias

• Performance bias

What does "Sample Size" refer to in data challenges?

• Type of data

• Volume of data

• Speed of data

• Quality of data