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#### Applied Statistics One Mark Question

12th Standard EM

Reg.No. :
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Time : 00:30:00 Hrs
Total Marks : 10
10 x 1 = 10
1. A time series is a set of data recorded

(a)

Periodically

(b)

Weekly

(c)

successive points of time

(d)

all the above

2. A time series consists of

(a)

Five components

(b)

Four components

(c)

Three components

(d)

Two components

3. The components of a time series which is attached to short term fluctuation is

(a)

Secular trend

(b)

Seasonal variations

(c)

Cyclic variation

(d)

Irregular variation

4. Factors responsible for seasonal variations are

(a)

Weather

(b)

Festivals

(c)

Social customs

(d)

All the above

5. The additive model of the time series with the components T, S, C and I is

(a)

y=T+S+C×I

(b)

y=T+S×C×I

(c)

y=T+S+C+I

(d)

y=T+S×C+I

6. Least square method of fitting a trend is

(a)

Most exact

(b)

Least exact

(c)

Full of subjectivity

(d)

Mathematically unsolved

7. The value of ‘b’ in the trend line y=a+bx is

(a)

Always positive

(b)

Always negative

(c)

Either positive or negative

(d)

Zero

8. The component of a time series attached to long term variation is trended as

(a)

Cyclic variation

(b)

Secular variations

(c)

Irregular variation

(d)

Seasonal variations

9. The seasonal variation means the variations occurring with in

(a)

A number of years

(b)

within a year

(c)

within a month

(d)

within a week

10. Another name of consumer’s price index number is:

(a)

Whole-sale price index number

(b)

Cost of living index

(c)

Sensitive

(d)

Composite