1- Arrangement of data according to time period is called as: ?
(A) Time Series (B) Seasonal Variation
Option (A) is correct.
2- Graph of Time Series in which Time period is taken along x-axis and Values along y-axis is called as: ?
(A) Histogram (B) Historigram
Option (B) is correct.
Note: But, Histogram: Graph of Adjacent Rectangles in which Class Boundaries are taken along x-axis and frequency along y-axis is called as Histogram.
3- Ups and Downs (Fluctuations) in Time Series are: ?
(A) Components of Time Series (B) Irregular Variations
Option (A) is correct.
4- TCSI abbreviated as: ?
(A) Secular Trend; Cyclic; Seasonal; Irregular (B) Nothing
Option (A) is correct.
5- The Variations which are caused by Religious Festivals, and Traditions are called as: ?
(A) Cyclic Variations (B) Seasonal Variations
Option (B) is correct.
6- The life of a Buisness man is an Example of: ?
(A) Cyclic Variations (B) Secular Trend
Option (A) is correct.
7- The Process of removing trend from time series is defined as: ?
(A) Deseasonalization (B) Detrending
Option (B) is correct.
Note: Must remember that the process of removing seasonal effect from time series is called as Deseasonalization.
8- From Additive Model; Y = T + C + S + I, we can isolate any component by: ?
(A) Method of Subtraction (B) Method of Division
Option (A) is correct.
Note: But, From Multiplicative Model; Y = TCSI, we can isolate any component by the Method of Division. For example, Y = TCSI/C = TSI.
9- Parabola is always has: ?
(A) Second Degree (B) First Degree
Option (A) is correct.
best of luck!!!
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