Which is a time series?
A)Last year's GDP in 27 developing countries
B)Year-end unemployment rates in the United States, 2000-2010
C)Passenger miles flown by each of 10 major airlines in 2010
D)The number of "hits" on each of 10 websites yesterday

Question

Quizplus · Accepted Answer

A time series is a set of data points collected at regular intervals over time. Year-end unemployment rates in the United States, 2000-2010 is a clear example of time series data. The other options may contain numerical data but are not collected over time.

Which Is a Time Series