Which of the following components of time series reflect the general tendency of the data to increase or decrease during a long period of time?
Trend
The "trend" component of a time series refers to the long-term direction in the data (whether it is increasing, decreasing, or stable) over an extended period of time. It shows the general tendency of the data to either rise or fall. Hence, the correct answer is "Trend".
The ______ is an unbiased estimator of the population mean.
If xi = i / 5 + 2, where i = 1, 2,..., 5, then the mean of x1, x2, ..., x5 is:
The Contingency table in statistics is one:
The ______ is an unbiased estimator of the population mean.
If xi = i / 5 + 2, where i = 1, 2,..., 5, then the mean of x1, x2, ..., x5 is: