Quiz Question 3

A retail company is analyzing data from the three sources listed below:

Source 1: Internal sales data - A table of customer order histories, including product IDs, payment amounts, and shipping addresses, taken directly from the company's own application database.

Source 2: Raw customer feedback - A collection of customer service call recordings, video files, and text from social media comments.

Source 3: External market data - A standardized dataset purchased from a data broker, containing regional demographic information and consumer spending trends.

Which option correctly identifies the dominant data type for each source?