Tim Was Planning for a Meeting with His Boss to Discuss

Multiple Choice

Tim was planning for a meeting with his boss to discuss a raise in his annual salary.In preparation,he wanted to use the Consumer Price Index to determine the percentage increase in his real (inflation-adjusted) salary over the last three years.Which of the 4 methods of data collection was involved when he used the Consumer Price Index?

A) Published sources
B) Experimentation
C) Surveying
D) Observation