Using Programs with Data Practice Test

A scientist has a large dataset of daily temperature readings from a weather station. The scientist wants to analyze only the days where the temperature exceeded 30 degrees Celsius. Which of the following data processing techniques is most appropriate for this task?

A financial analyst is using a program to process a list of stock prices. The program iterates through the list and converts each price from US dollars to Euros by multiplying by the current exchange rate. This is an example of which data process?