The goal of the consumer price index is to measure changes in the

Prices over time

Explanation:

The consumer price index measures the average of consumer goods and services. It is often calculated by taking the average price changes for each item.

The consumer price index measures the average changes in prices of a basket of goods and services over time that consumers pay.

Cost of living bests fit the gap

Explanation:

The overriding purpose of consumer price index is to measures changes in consumers' standard of living.

The consumer price index is a measure of goods and services bought by households on a continuing basis in order to ascertain whether the household is able to keep up with it spending pattern and able to purchase basic needs as it used to purchase previously for instance in a situation of general increase in price levels-inflation