In General,it Is Easy to Identify the Trend Component of a Time

question 176

Multiple Choice

In general,it is easy to identify the trend component of a time series by using:

• A)exponential smoothing
• B)moving averages
• C)regression analysis
• D)seasonally adjusted time series

---

Definitions:

Stratified Sampling

A method of sampling that involves dividing a population into subgroups and randomly selecting samples from each of these groups.

Convenience Sampling

A sampling technique where participants are selected based on their easy availability and proximity to the researcher, potentially introducing bias.

Quota Sampling

Sampling that attempts to replicate in a sample the features that the researcher thinks are important in the population.

Random Sampling

A technique where every individual of a population has an equal chance of being selected to form a sample, ensuring the sample’s representativeness.