Frequency Distribution MCQs
Frequency Distribution MCQs
Class: CBSE Class 11
Subject: Economics
Section: Organisation of Data
Topic: Frequency Distribution
Subject: Economics
Section: Organisation of Data
Topic: Frequency Distribution
Strictly Based on NCERT Syllabus | Designed for CBSE Board Examinations
Q1. Frequency distribution refers to:
Answer: B
Frequency distribution is the systematic classification of raw data into groups or classes along with their frequencies. It makes large data easy to understand and analyze.
Frequency distribution is the systematic classification of raw data into groups or classes along with their frequencies. It makes large data easy to understand and analyze.
Q2. Raw data means:
Answer: C
Raw data is the original unorganized data collected from surveys or observations before classification.
Raw data is the original unorganized data collected from surveys or observations before classification.
Q3. Number of times an item occurs is called:
Answer: B
Frequency indicates how many times a value or class appears in the dataset.
Frequency indicates how many times a value or class appears in the dataset.
Q4. Inclusive classes are mainly used for:
Answer: B
Inclusive classification includes both limits and is generally used for discrete variables like marks.
Inclusive classification includes both limits and is generally used for discrete variables like marks.
Q5. Exclusive classes are suitable for:
Answer: A
Exclusive method excludes the upper limit and is ideal for continuous data like height and weight.
Exclusive method excludes the upper limit and is ideal for continuous data like height and weight.
Q6. Difference between upper and lower limit is:
Answer: C
Class width = Upper limit − Lower limit. It shows the size of the class interval.
Class width = Upper limit − Lower limit. It shows the size of the class interval.
Q7. The midpoint of a class is called:
Answer: B
Class mark = (Upper limit + Lower limit) / 2. It represents the central value of the class.
Class mark = (Upper limit + Lower limit) / 2. It represents the central value of the class.
Q8. Range of data is:
Answer: A
Range measures dispersion and is calculated as maximum value minus minimum value.
Range measures dispersion and is calculated as maximum value minus minimum value.
Q9. Tally marks are used to:
Answer: B
Tally marks help count occurrences efficiently before writing numerical frequencies.
Tally marks help count occurrences efficiently before writing numerical frequencies.
Q10. Open‑ended classes are those where:
Answer: B
Open‑ended classes lack either upper or lower limit, e.g., “70 and above”.
Open‑ended classes lack either upper or lower limit, e.g., “70 and above”.
Q11. Frequency distribution helps in:
Answer: B
It condenses large data into meaningful groups for easy interpretation.
It condenses large data into meaningful groups for easy interpretation.
Q12. Total of all frequencies equals:
Answer: C
Sum of frequencies gives total observations in the dataset.
Sum of frequencies gives total observations in the dataset.
Q13. Continuous series uses:
Answer: B
Continuous variables require exclusive classification for accuracy.
Continuous variables require exclusive classification for accuracy.
Q14. Example of discrete data:
Answer: C
Number of students is countable in whole numbers, hence discrete.
Number of students is countable in whole numbers, hence discrete.
Q15. Frequency polygon is drawn using:
Answer: B
Class marks are plotted against frequencies to draw a frequency polygon.
Class marks are plotted against frequencies to draw a frequency polygon.
Q16. A table showing class intervals and frequencies is:
Answer: B
It is the basic tabular form of frequency distribution.
It is the basic tabular form of frequency distribution.
Q17. Class boundaries are used to:
Answer: A
They convert inclusive classes into continuous classes by removing gaps.
They convert inclusive classes into continuous classes by removing gaps.
Q18. Frequency distribution is part of:
Answer: B
It falls under organisation of data where raw data is structured.
It falls under organisation of data where raw data is structured.
Q19. Cumulative frequency shows:
Answer: B
It represents successive addition of frequencies.
It represents successive addition of frequencies.
Q20. Main objective of frequency distribution is to:
Answer: B
It condenses and summarises large datasets for meaningful analysis and presentation.
It condenses and summarises large datasets for meaningful analysis and presentation.