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18 questions
This time series plot is an example of:
An increasing trend
Seasonal variation
A decreasing trend
A structural change
This time series plot is an example of:
Seasonality
An increasing trend
Irregular variation
Cyclical variation
This time series plot is an example of:
Seasonality
Cyclical variation
A decreasing trend
Structural Change
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
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
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
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
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
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
How many Trend values do you get when you use Semi Average method?
four
two
Depends on data given
none of the above
Non-linear Trend is also known as ______________ Trend.
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
In the equation Yc = a + bx, b represents
Average
Rate of Growth
Dependent variable
Independent Variable
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
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
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
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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