Which of the Following Makes the Consumer Price Index a Less

Multiple Choice

Which of the following makes the Consumer Price Index a less accurate measure of the cost of living?
i. The monthly price survey conducted to collect information about prices is very unreliable.
ii. The existence of a new goods bias in the calculation of the CPI.
iii. The existence of a quality change bias in the calculation of the CPI.

A) i only
B) ii only
C) i and ii
D) ii and iii
E) i, ii and iii