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Questions Related to step towards making a project

What is the objective of analysis of any time series?

some mathematical tools used in economics step towards making a project basic statistics for economics economics

  1. To study of past behaviour of data

  2. To forecast for future

  3. Both (A) and (B)

  4. None of above

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Correct Option: C

If the period of variations is less than one year, then these are known as _______.

some mathematical tools used in economics step towards making a project basic statistics for economics economics

  1. Random variations

  2. Cyclical variations

  3. Seasonal Variations

  4. (B) or (C)

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Correct Option: C

The Additive Model of a time series is expressed as :

some mathematical tools used in economics step towards making a project basic statistics for economics economics

  1. $Y _{t} = T _{t} \times C _{t} \times S _{t} \times R$

  2. $Y _{t} = T _{t} - C _{t} - S _{t} - R _{t}$

  3. $Y _{t} = T _{t} + C _{t} + S _{t} + R _{t}$

  4. $Y _{t} = T _{t}\cap C _{t} \cup S _{t} \cup R _{t}$

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Correct Option: C

If the period of variations is more than one year, then the variations are termed as __________.

some mathematical tools used in economics step towards making a project basic statistics for economics economics

  1. Random variations

  2. Cyclical variations

  3. Seasonal variations

  4. (b) or (c)

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Correct Option: B

A time series may be defined as ________.

some mathematical tools used in economics step towards making a project basic statistics for economics economics

  1. A sequence of repeated measurement of variables made periodically through time

  2. A collection of readings belonging to different time period of same economic variable or composite of variables

  3. Statistical data which are collected, recorded over successive increments

  4. All of above

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Correct Option: D

If the lower and upper limits of a class are 20 and 30 respectively, the mid point of the class is _________.

some mathematical tools used in economics step towards making a project basic statistics for economics economics

  1. 25.0

  2. 25.5

  3. 24.5

  4. none of them

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Correct Option: A

A grouped frequency distribution with uncertain first or last classes is known as _________.

some mathematical tools used in economics step towards making a project basic statistics for economics economics

  1. discrete frequency distribution

  2. inclusive class distribution

  3. open end distribution

  4. exclusive class distribution

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Correct Option: C

Descriptive statistics is?

some mathematical tools used in economics step towards making a project basic statistics for economics economics

  1. The number of adjectives.

  2. About where or not you can generalize from a sample.

  3. The methods used to describe the essential characteristics of the data.

  4. All of the things.

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Correct Option: C

The class interval of the following continuous grouped data is
0-9    10-19     20-29     30-39     40-49
5           8           12           15           4

some mathematical tools used in economics step towards making a project basic statistics for economics economics

  1. 10

  2. 9

  3. 24.5

  4. none of them

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Correct Option: A

Which of the following statements containing results of India's recent Census is not correct?

some mathematical tools used in economics step towards making a project basic statistics for economics economics

  1. Kerala has about 94% literacy, the highest in India.

  2. The sex ratio in India is 940.

  3. Male literacy is lower than female literacy in seven most developed states.

  4. Uttar Pradesh is the most populous State in India.

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Correct Option: D