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Statistical Description of Data (CA - CPT)

Description: 10 th chapter of quantitative aptitude
Number of Questions: 15
Created by:
Tags: statistics Statistics
Attempted 0/15 Correct 0 Score 0

Which of the following can be determined by using the Ogive curve?

  1. Median

  2. Mode

  3. Mean

  4. Quartiles

  5. Both 1 and 4


Correct Option: E
Explanation:

Both median and quartiles can be determined from the Ogive curve.

The difference between the upper boundary and the lower boundary of a class is called

  1. mid value

  2. class limit

  3. class mark

  4. class size

  5. class frequency


Correct Option: D
Explanation:

Class size is the difference between the upper boundary and the lower boundary of the class.

The quickest method to collect primary data is

  1. telephonic interview

  2. personal interview

  3. observation

  4. indirect interview

  5. mailed questionnaire method


Correct Option: A
Explanation:

Telephone interview is the quickest of all the methods.

The most appropriate diagram to represent the data relating to the contributions of different sectors to the country's GDP is

  1. histogram

  2. line graph

  3. pie chart

  4. frequency polygon

  5. Ogive


Correct Option: C
Explanation:

Pie chart is the ideal diagram to compare each part and represent the whole.

The column headings of a table are called

  1. body

  2. stub

  3. footnotes

  4. captions

  5. box head


Correct Option: D
Explanation:

Captions are upper part of the table describing columns.

The ratio of class frequency to class size is called

  1. relative frequency

  2. percentage frequency

  3. frequency density

  4. cumulative frequency

  5. class mark


Correct Option: C
Explanation:

Frequency density is the ratio between class frequency and class size

When the data is classified in respect of successive time points, it is known as

  1. chronological data

  2. geographical data

  3. cardinal data

  4. ordinal data

  5. None of these


Correct Option: A
Explanation:

When data is classified based on different time points, it is considered as chronological data.

Which of the following is a one dimensional diagram?

  1. Rectangular chart

  2. Bar diagram

  3. Cubic diagram

  4. Pie chart

  5. Square diagram


Correct Option: B
Explanation:

Bar diagram is a one dimensional diagram.

Mode can be obtained graphically from

  1. Ogive

  2. frequency polygon

  3. histogram

  4. pie chart

  5. line graph


Correct Option: C
Explanation:

Mode is obtained graphically from histogram.

In tabulation, a source is mentioned in

  1. box head

  2. stub

  3. body

  4. footnotes

  5. caption


Correct Option: D
Explanation:

Footnotes is at the bottom part of the table.

Mid values of a class are called

  1. upper limit

  2. lower limit

  3. class mark

  4. median

  5. class interval


Correct Option: C
Explanation:

Class mark is the mid value of a class.

Which of the following is statistical data?

  1. Length of Narmada river is 1312 km.

  2. Length of Kaveri river is 765 km and its basin area is 72,000 sq. km.

  3. Length of Krishna river is 2,525 km and that of Godavari and Krishna are 1,465 and 1,400, respectively.

  4. Nile is the longest river in the world.

  5. Length of Ganga river is more than that of Kaveri.


Correct Option: C
Explanation:

As data of three entities are given, we can call them statistics.

The number of observations falling within a class is called

  1. class size

  2. class interval

  3. class width

  4. class mark

  5. class frequency


Correct Option: B
Explanation:

Class interval is the size of the class. Class frequency is how frequently a particular class occurs.

When one end of a class is not specified, the class is called

  1. empty class

  2. modal class

  3. open-ended class

  4. close-ended class

  5. class frequency


Correct Option: C
Explanation:

When one end of the class is not specified, it is called open-ended class.

The graphical representation of cumulative distribution is called

  1. histogram

  2. Ogive

  3. frequency polygon

  4. bar diagram

  5. line diagram


Correct Option: B
Explanation:

Ogive is the graphical representation of cumulative distribution.

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