When we look at a time series plot,we usually look for which two things?
A)"Is there an observable trend?" and "Is there a seasonal pattern?"
B)"Is there an observable trend" and "Can we make predictions?"
C)"Is the sample representative?" and "Is there a seasonal pattern?"
D)"Is there an observable trend?" and "Is the trend symmetric?"

Question

Quizplus · Accepted Answer

When looking at a time series plot, two important things to identify are whether there is an observable trend and whether there is a seasonal pattern. The presence of a trend can indicate a long-term increase or decrease in the data, while a seasonal pattern can indicate regular fluctuations that occur over a shorter period of time. Both of these factors can help in making predictions about future values in the time series. Option B is partially correct, but the second question is not as important as identifying a seasonal pattern. Option C is not relevant to examining a time series plot, while option D refers to symmetry which is not necessarily important in this context.

When We Look at a Time Series Plot,we Usually Look