CBSE Class 11 Organisation of Data MCQs Set C

Question. Classification should be elastic in nature. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement

Answer: A

Question. How many types of cumulative frequency distributions are there?
(a) 2
(b) 3
(c) 4
(d) None of the options

Answer: A

Question. In less-than cumulative frequency distribution, the series is arranged in ……… order.
(a) increasing
(b) decreasing
(c) constant
(d) None of the options

Answer: A

Question. Arranging the data in different classes according to a given order is known as a series.
Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement

Answer: A

Question. The difference between upper limit and lower limit of a class is known as
(a) Class frequency
(b) Class limits
(c) Class mid-point
(d) Class interval

Answer: D

Question. Which of the following is/are objectives of classification?
(a) To simplify facts
(b) To facilitate comparison
(c) To point out similarities and dissimilarities
(d) None of the options

Answer: D

Question. The value exactly at the middle of the interval is known as
(a) Class width
(b) Class size
(c) Mid value
(d) Upper limit

Answer: C

Question. Which of the following is not a frequency distribution?
(a) Cumulative
(b) Continuous
(c) Open ended
(d) None of the options

Answer: D

Question. Bi-variate frequency distributions are also known as ……… .
(a) Two-way table
(b) Two-way series
(c) Multiple frequency distribution
(d) None of the options

Answer: D

Question. Which of the following series can take only integral values?
(a) Individual series
(b) Discrete series
(c) Continuous series
(d) Both (a) and (b)

Answer: D

Question. Census of India depicting birth rate over last decade is an example of
(a) geographical classification
(b) chronological classification
(c) qualitative classification
(d) quantitative classification

Answer: B

Question. In a frequency distribution, each unit of the data can be exactly measured.
Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement

Answer: B

Question. A quantity which varies from one individual to another is known as ……… .
(a) Array
(b) Series
(c) Variable
(d) None of the options

Answer: C

Question. A variable which can take integral as well as fractional values is known as ………… .
(a) discrete variable
(b) continuous variable
(c) constant variable
(d) None of the options

Answer: B

Question. In an individual series, each item has
(a) same frequency
(b) different frequency
(c) varied frequency
(d) None of the options

Answer: A

Question. Classification of data that can represent two or more variables is known as
(a) Two-classification
(b) Manifold classification
(c) Both (a) and (b)
(d) Neither (a) nor (b)

Answer: B

Question. The frequency distribution representing the ages of father and sons/daughters will be represented by
(a) uni-variate frequency distribution
(b) bi-variate frequency distribution
(c) cumulative frequency distribution
(d) None of the options

Answer: B

Question. In the construction of a frequency distribution, it is generally preferred that classes should be of
(a) equal width
(b) unequal width
(c) increasing width
(d) decreasing width

Answer: A

Question. The number of observations in a class is called
(a) Interval
(b) Frequency
(c) Array
(d) None of the options

Answer: B

Question. Data which is grouped with reference to the attributes is referred to as ……… .
(a) chronological classification
(b) geographical classification
(c) qualitative classification
(d) quantitative classification

Answer: C

Question. Food habits of an individual is an example of
(a) attribute
(b) variable
(c) continuous variable
(d) None of the options

Answer: A

Question. An open-ended series doesn’t have upper limit in every class interval.
Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement

Answer: B

Question. In more than cumulative frequency distribution, the series is arranged in ……… order.
(a) increasing
(b) decreasing
(c) constant
(d) None of the options

Answer: B

Question. Under ……… series, there is no frequency distribution as every number is unique.
(a) individual
(b) discrete
(c) continuous
(d) None of the options

Answer: A

Question. Mutually exclusive distribution is used to represent
(a) individual series
(b) discrete series
(c) continuous series
(d) All of the options

Answer: C

Question. Class width is same as ……… .
(a) class frequency
(b) class interval
(c) Both (a) and (b)
(d) Neither (a) nor (b)

Answer: B

Question. In order to convert an inclusive series into an exclusive one, we need to subtract 1 from both lower limit and upper limit of each class interval.
Choose from the option below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement

Answer: C

Question. Uni-variate frequency distributions are also known as ……… .
(a) One-way table
(b) Single table
(c) One-way frequency distribution
(d) None of the options

Answer: C

Question. If we add frequencies one by one to the previous frequency in an ascending order of the magnitude of the frequency distribution, we get
(a) more than cumulative frequency distribution
(b) less than cumulative frequency distribution
(c) bi-variate frequency distribution
(d) multi-variate frequency distribution

Answer: A

Question. Frequency of a distribution is always in ……… terms.
(a) absolute
(b) percentage
(c) relative
(d) None of the options

Answer: A

Question. Monthly salary of an individual is an example of continuous variable.
Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement

Answer: A

Question. Classification of data based on time period is known as ……… .
(a) chronological classification
(b) geographical classification
(c) qualitative classification
(d) None of the options

Answer: A

Question. An inclusive series is given as, 1-9,10-19, 20-29. What will be the mid value of the second class in this situation?
(a) 10
(b) 19
(c) 14.5
(d) 24.5

Answer: C

Question. In an inclusive series
(a) both class limits are considered.
(b) both class limits are excluded.
(c) upper limit is excluded.
(d) lower limit is excluded.

Answer: A

Question. A given characteristics or attributes of a statistical enquiry refers to which of the following?
(a) Qualitative behavior
(b) Quantitative behavior
(c) Both (a) and (b)
(d) None of the options

Answer: A

Question. Observe the series given, 0-10, 10-15,15-30, 30-50. Identity the type of series in the given example.
(a) Exclusive and open ended
(b) Exclusive and unequal
(c) Inclusive and open ended
(d) Inclusive and unequal

Answer: B