When 1983 Is the CPI Base Year, the CPI Value

question 42

Multiple Choice

When 1983 is the CPI base year, the CPI value is 82.4 for 1980 and 172.2 for 2017. Suppose we want to convert this CPI series to have a base year of 2017 (that is, CPI₂₀₁₇ = 100) . What is the value of the revised CPI for 1980?

• A) 172.2
• B) 100
• C) 47.9
• D) 209.0

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