Organisation of Data MCQ
Organisation of Data Class 11 Economics MCQ
Class 11 Economics students should refer to the following multiple-choice questions with answers for Organisation of Data in standard 11. These MCQ questions with answers for Grade 11 Economics will come in exams and help you to score good marks.
Question. The characteristic of a fact that can be measured in the form of numbers is called:
(a) frequency
(b) variable
(c) attribute
(d) none of these
Answer : (B) variable
Question. Frequency of a variable is always:
(a) A fraction
(b) In percentage
(c) An integer
(d) None of these
Answer : (C) An integer
Question. A series showing the sets of all values in classes with their corresponding frequencies is known as:
(a) Grouped frequency distribution
(b) Cumulative frequency distribution
(c) Simple frequency distribution
(d) None of the above
Answer : (A) Grouped frequency distribution
Question. A series in which every class interval excludes items corresponding to its upper limit is called:
(a) exclusive series
(b) inclusive series
(c) both (a) and (b)
(d) none of these
Answer : (A) exclusive series
Question. An open-end series is that series in which:
(a) lower limit of the first class interval is missing
(b) upper limit of the last class interval is missing
(c) both (a) and (b)
(d) none of these
Answer : (C) both (a) and (b)
Question. According to tally bar method, which of the following symbols indicate the frequency of five?
(a) IIII
(b) II
(c) III
(d) None of these
Answer : (D) None of these
Question. The Frequency distribution of a continuous variable is known as:
(a) Grouped frequency distribution
(b) Simple frequency distribution
(c) Either (a) or (b)
(d) Both (a) and (b)
Answer : (A) Grouped frequency distribution
Question. In an ordered series, the data are:
(a) In descending order
(b) In ascending order
(c) Either (a) or (b)
(d) None of these
Answer : (C) Either (a) or (b)
Question. In a series, the number of times an item occurs is known as:
(a) number
(b) class frequency
(c) frequency
(d) cumulative frequency
Answer : (C) frequency
Question. The difference between upper limit and lower limit of a class is known as:
(a) range
(b) magnitude of a class interval
(c) frequency
(d) class limits
Answer : (B) magnitude of a class interval
Question. Which of the following equations is correct?
(a) s = r + n
(b) s = r – n
(c) s = r × n
(d) s = rn
[s = Size of the class; r = Range; n = Number of classes]
Answer : (D) s = rn
Question. Drinking habit of a person is:
(a) An attribute
(b) A discrete variable
(c) A variable
(d) A continuous variable
Answer : (A) An attribute
Question. An attribute is:
(a) A qualitative characteristic
(b) A measurable characteristic
(c) A quantitative characteristic
(d) All these
Answer : (A) A qualitative characteristic
Question. Nationality of a student is:
(a) An attribute
(b) A discrete variable
(c) A continuous variable
(d) Either (a) or (c)
Answer : (A) An attribute
Question. Why is it true that classes in frequency distributions are all inclusive`
(a) No data point falls into more than one class
(b) There are always more classes than data point
(c) All data fit into one class or another
(d) All of these
Answer : (C) All data fit into one class or another
Question. The value exactly at the middle of a class-interval is called:
(a) Class mark
(b) Mid-value
(c) Both (a) and (b)
(d) None of these
Answer : (C) Both (a) and (b)
Question. The lower-class boundary is:
(a) An upper limit to Lower Class Limit
(b) A Lower limit to Lower Class Limit
(c) Both (a) and (b)
(d) None of these
Answer : (B) A Lower limit to Lower Class Limit
Question. Mutually exclusive classification is usually meant for:
(a) An attribute
(b) A continuous variable
(c) A discrete variable
(d) Any of these
Answer : (B) A continuous variable
Question. For the construction of a grouped frequency distribution, we take:
(a) Class boundaries
(b) Class limits
(c) Both (a) and (b)
(d) None of these
Answer : (B) Class limits
Question. Tally marks determines:
(a) Class width
(b) Class boundary
(c) Class limit
(d) Class frequency
Answer : (A) Class width
Question. The number of observations falling within a class is called:
(a) Density
(b) Frequency
(c) Both (a) and (b)
(d) None of these
Answer : (B) Frequency
Question. Which of the following is the objective of classification?
(a) Simplification
(b) Briefness
(c) Comparability
(d) All of these
Answer : (D) All of these
Question. Classification of data on the basis of time period is called:
(a) geographical classification
(b) chronological classification
(c) qualitative classification
(d) quantitative classification
Answer : (B) chronological classification
Question. A series showing the sets of all distinct values individually with their frequencies is known as:
(a) Grouped frequency distribution
(b) Simple frequency distribution
(c) Cumulative frequency distribution
(d) None of these
Answer : (B) Simple frequency distribution
Question. Annual income of a person is:
(a) A continuous variable
(b) A discrete variable
(c) An attribute
(d) Either (b) or (c)
Answer : (B) A discrete variable
Question. Upper limit of any class is:
(a) Same
(b) Different
(c) Both (a) and (b)
(d) None of these
Answer : (B) Different
Question. In inclusive class-intervals of a frequency distribution:
(a) Upper limit of each class-interval is included
(b) Lower limit of each class-interval is included
(c) Both (a) and (b)
(d) None of these
Answer : (C) Both (a) and (b)
Question. In exclusive class intervals of a frequency distribution:
(a) Upper limit of each class-interval is excluded
(b) Lower limit of each class-interval is excluded
(c) Both (a) and (b)
(d) None of these
Answer : (A) Upper limit of each class-interval is excluded
Question. For determining the class frequencies, it is necessary that these classes are:
(a) Mutually exclusive
(b) Not mutually exclusive
(c) Independent
(d) None of these
Answer : (A) Mutually exclusive
Question. The upper limit of class-intervals is considered for calculating:
(a) ‘Less than’ cumulative frequency
(b) ‘More than’ cumulative frequency
(c) Relative frequency
(d) None of these
Answer : (A) Less than’ cumulative frequency
Question. In an individual series, each variate value has:
(a) Same frequency
(b) Frequency one
(c) Varied frequency
(d) Frequency two
Answer : (B) Frequency one
Question. A grouped frequency distribution with uncertain first or last class is known as:
(a) Exclusive class distribution
(b) Inclusive class distribution
(c) Open end distribution
(d) Discrete frequency distribution
Answer : (B) Inclusive class distribution
Question. Class-interval is measured as:
(a) Half of the sum of lower and upper limit
(b) The sum of the upper and lower limit
(c) Half of difference between upper and lower limit
(d) The difference between upper and lower limit
Answer : (D) The difference between upper and lower limit
Question. The data given as 5, 7,12,17, 79, 84, 91 will be called as:
(a) A continuous series
(b) A discrete series
(c) An individual series
(d) Time series
Answer : (C) An individual series
Question. Most extreme values which are never included in a class-interval are called:
(a) Class-interval
(b) Class limits
(c) Class boundaries
(d) None of these
Answer : (C) Class boundaries
Question. The class marks of a distribution are 26, 31,36, 41,46 and 51. Then the first-class interval is:
(a) 23.5-28.5
(b) 23-28
(c) 22.5-27.5
(d) None of these
Answer : (A) 23.5-28.5
Question. Mutually exclusive classification:
(a) Excludes the upper-class limit but includes the lower-class limit
(b) Excludes both the class limits
(c) Includes the upper-class limit but excludes the upper-class limit
(d) Either (b) or (c)
Answer : (B) Excludes both the class limits
Question. In the construction of a frequency distribution, it is generally preferable to have classes of
(a) Equal width
(b) Unequal width
(c) Maximum width
(d) None of these
Answer : (A) Equal width
Question. Classes with zero frequencies are called:
(a) Class
(b) Empty class
(c) Nil class
(d) None of these
Answer : (B) Empty class
Question. For the mid-values given: 25, 34, 43, 53, 61,70, the first class of the distribution is:
(a) 25-34
(b) 24.5-34.5
(c) 20-30
(d) 20.5-29.5
Answer : (D) 20.5-29.5
Question. The class marks of a distribution are 26, 31,36, 41,46 and 51. Then the first-class interval is:
(a) 23.5-28.5
(b) 23-28
(c) 22.5-27.5
(d) None of these
(b) class frequency
(c) frequency
(d) cumulative frequency
Question. The difference between upper limit and lower limit of a class is known as:
(a) range
(b) magnitude of a class interval
(c) frequency
(d) class limits
Answer : (b) magnitude of a class interval
Question. The upper limit of class-intervals is considered for calculating:
(a) ‘Less than’ cumulative frequency
(b) ‘More than’ cumulative frequency
(c) Relative frequency
(d) None of these
Answer : (a) ‘Less than’ cumulative frequency
Question. In an individual series, each variate value has:
(a) Same frequency
(b) Frequency one
(c) Varied frequency
(d) Frequency two
Answer : (b) Frequency one
Question. Most extreme values which are never included in a class-interval are called:
(a) Class-interval
(b) Class limits
(c) Cass boundaries
(d) None of these
Answer : (c) Cass boundaries
Question. Classes with zero frequencies are called:
(a) Class
(b) Empty class
(c) Nil class
(d) None of these
Answer : (b) Empty class
Question. Frequency of a variable is always:
(a) A fraction
(b) In percentage
(c) An integer
(d) None of these
Answer : (c) An integer
Question. Find the number of observations between 250 and 300 from the following data:
Value No. of observations
More than 200 56
More than 250 38
More than 300 15
More than 350 0
(a) 56
(b) 23
(c) 15
(d) 8
Answer : (b) 23
Question. Which of the following is the objective of classification?
(a) Simplification
(b) Briefness
(c) Comparability
(d) All of these
Answer : (d) All of these
Question. Mutually exclusive classification:
(a) Excludes the upper-class limit but includes the lower-class limit
(b) Excludes both the class limits
(c) Includes the upper-class limit but excludes the upper-class limit
(d) Either (b) or (c)
Answer : (b) Excludes both the class limits
Question. In the construction of a frequency distribution, it is generally preferable to have classes of
(a) Equal width
(b) Unequal width
(c) Maximum width
(d) None of these
Answer : (a) Equal width
Question. Upper limit of any class is:
(a) Same
(b) Different
(c) Both (a) and (b)
(d) None of these
Answer : (b) Different
Question. For determining the class frequencies, it is necessary that these classes are:
(a) Mutually exclusive
(b) Not mutually exclusive
(c) Independent
(d) None of these
Answer : (a) Mutually exclusive
Question. Classification of data on the basis of time period is called:
(a) geographical classification
(b) chronological classification
(c) qualitative classification
(d) quantitative classification
Answer : (b) chronological classification
Question. Mutually exclusive classification is usually meant for:
(a) An attribute
(b) A continuous variable
(c) A discrete variable
(d) Any of these
Answer : (b) A continuous variable
Question. A grouped frequency distribution with uncertain first or last class is known as:
(a) Exclusive class distribution
(b) Inclusive class distribution
(c) Open end distribution
(d) Discrete frequency distribution
Answer : (c) Open end distribution
Question. Formula for finding mid-value is given by:
(a) 2−1
(b) 2−12
(c) 1+2
(d) 1+22
Answer : (d) 1+22
Question. In inclusive class-intervals of a frequency distribution:
(a) Upper limit of each class-interval is included
(b) Lower limit of each class-interval is included
(c) Both (a) and (b)
(d) None of these
Answer : (c) Both (a) and (b)
Question. Drinking habit of a person is:
(a) An attribute
(b) A discrete variable
(c) A variable
(d) A continuous variable
Answer : (a) An attribute
Question. An attribute is:
(a) A qualitative characteristic
(b) A measurable characteristic
(c) A quantitative characteristic
(d) All these
Answer : (a) A qualitative characteristic
Question. A series showing the sets of all values in classes with their corresponding frequencies is known as:
(a) Grouped frequency distribution
(b) Cumulative frequency distribution
(c) Simple frequency distribution
(d) None of the above
Answer : (a) Grouped frequency distribution
Question. For the mid-values given: 25, 34, 43, 53, 61,70, the first class of the distribution is:
(a) 25-34
(b) 24.5-34.5
(C) 20-30
(d) 20.5-29.5
Answer : (d) 20.5-29.5
Question. The lower-class boundary is:
(a) An upper limit to Lower Class Limit
(b) A Lower limit to Lower Class Limit
(c) Both (a) and (b)
(d) None of these
Answer : (b) A Lower limit to Lower Class Limit
Question. The following data relate to the marks of a group of students:
Marks No. of students
10 15 Below
20 38 Below
30 65 Below
40 84 Below
50 100 Below
How many students get marks more than 30?
(a) 65
(b) 50
(c) 35
(d) 43
Answer : (b) 50
Question. In exclusive class intervals of a frequency distribution:
(a) Upper limit of each class-interval is excluded
(b) Lower limit of each class-interval is excluded
(c) Both (a) and (b)
(d) None of these
Answer : (a) Upper limit of each class-interval is excluded
Question. The Frequency distribution of a continuous variable is known as:
(a) Grouped frequency distribution
(b) Simple frequency distribution
(c) Either (a) or (b)
(d) Both (a) and (b)
Answer : (a) Grouped frequency distribution
Question. Tally marks determines:
(a) Class width
(b) Class boundary
(c) Class limit
(d) Class frequency
Answer : (a) Class width
Question. The number of observations falling within a class is called:
(a) Density
(b) Frequency
(c) Both (a) and (b)
(d) None of these
Answer : (b) Frequency
Question. Nationality of a student is:
(a) An attribute
(b) A discrete variable
(c) A continuous variable
(d) Either (a) or (c)
Answer : (a) An attribute