Which of the following statements is true about the secular trend in a time series?a.It remains constant over time.b.It exhibits a predictable pattern that repeats itself at regular intervals.c.It is unrelated to the time of yeard.It is not relevant for time series analysisClear my choice

Trend-stationarity implies that while a time series may have time-varying mean, its variance and covariances remain constant over time. True or False

Which of the following time series components is associated with long-term movement in the data?a.Trendb.Seasonalityc.Cyclicald.RandomClear my choice

The concept of the "secularising trend" describes a historical shift in the relationship between science and religion. Which of the following statements BEST reflects this trend?Read Less(a) Increased public funding for religious institutions due to growing scientific advancements.(b) A growing emphasis on religious interpretations of scientific discoveries.(c) A decline in religious authority and a rise in scientific explanations for the natural world.(d) A merging of religious and scientific institutions to promote a unified worldview.

Which of the following is not true of a stationary time series?  The process generating the data has a constant mean.  The time series plot is a straight line.  The statistical properties are independent of time.  The variability is constant over time.

Which of the following is NOT a characteristic of time series data?a.Seasonalityb.Trendc.Randomnessd.Cross-sectional variationClear my choice