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- 1. Multiple Choice
This time series plot is an example of:
An increasing trend
Seasonal variation
A decreasing trend
A structural change
- 2. Multiple Choice
This time series plot is an example of:
Seasonality
An increasing trend
Irregular variation
Cyclical variation
- 3. Multiple Choice
This time series plot is an example of:
Seasonality
Cyclical variation
A decreasing trend
Structural Change
- 4. Multiple Choice
A sudden increase in sales of ready made uniforms of school children at the time of re-opening of schools is due to which component of time series?
positive secular trend
seasonal pattern
cyclic pattern
random pattern
- 5. Multiple ChoiceThe __________ component of a time series measures the fluctuations in a time series due to economic conditions of prosperity and recession with a duration of approximately 2 years or longerTrendSeasonalCyclicalRandomness
- 6. Multiple Choice
Determine the appropriate components of time series for the situation below:
The increase in sales of fireworks during New Year.
Trend
Seasonal Variations
Cyclical Variations
Irregular fluctuations
- 7. Multiple Choice
Determine the appropriate components of time series for the situation below:
Increase in sale of sanitizers due to covid.
Trend
Seasonal Variations
Cyclical Variations
Irregular fluctuations
- 8. Multiple Choice
Determine the appropriate components of time series for the situation below:
A reduction of crop production during monsoon season.
Trend
Seasonal Variations
Cyclical Variations
Irregular fluctuations
- 9. Multiple Choice
Determine the appropriate components of time series for the situation below:
The revenue for Company A is low during the economic recession.
Trend
Seasonal Variations
Cyclical Variations
Irregular fluctuations
- 10. Multiple Choice
Determine the appropriate components of time series for the situation below:
The number of registered college students increase every year from 2015 to 2018.
Trend
Seasonal Variations
Cyclical Variations
Irregular fluctuations
- 11. Multiple Choice
How many Trend values do you get when you use Semi Average method?
four
two
Depends on data given
none of the above
- 12. Fill in the Blank
Non-linear Trend is also known as ______________ Trend.
- 13. Multiple Choice
Find the trend values using Semi Average Method:
Year ---------- Sales in Lakhs of Rs.
2001 --------- 20
2002 --------- 24
2003 ---------- 19
2004 ---------- 23
2005 ---------- 25
22 and 25
21 and 24
22 and 24
22, 19, 24
- 14. Multiple Choice
In the equation Yc = a + bx, b represents
Average
Rate of Growth
Dependent variable
Independent Variable
- 15. Multiple Choice
You are given a data of Annual sales of a company. By applying least squares method you got the equation:
yc = 17.5 + 3x
Average sales of the company is:
3
17.5
x
y
- 16. Multiple Choice
You are given a data of Annual Production of a company. By applying least squares method you got the equation:
yc = 25 - 4.5x
Rate of growth of the company is:
4.5
25
x
-4.5
- 17. Multiple Choice
The values of variables change suddenly or unexpectedly due to unforeseen factors like floods, pandemics, storms etc., These are called:
Secular Fluctuations
Cyclical Fluctuations
Random Fluctuations
Seasonal Fluctuations
- 18. Multiple Choice
The values of variables changes in a regular, periodic and rhythmic order according to season covering a period of time not exceeding 12 months is called:
Secular Fluctuations
Cyclical Fluctuations
Random Fluctuations
Seasonal Fluctuations
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