The percentage frequency of a class is the class frequency divided by total frequency, multiplied by: MCQ with Answer and Explanation

Question
The percentage frequency of a class is the class frequency divided by total frequency, multiplied by:
A. 10
B. 1
C. 100
D. 1000
Answer: Option C
Solution (By JKSSB Mock Tests)
Percentage frequency = (class frequency / total frequency) × 100.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
To find the average of proportions, ratios, and percentages, the most appropriate mathematical average is:
A. Median
B. Arithmetic Mean
C. Harmonic Mean
D. Geometric Mean
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Correct Answer: Option D

Explanation:
Geometric mean is mathematically the only correct average for analyzing multiplicative processes like ratios and percentages.
This question belongs to: Accountancy and Statistics Statistics
Question #2
A major disadvantage of secondary data is:
A. High cost
B. Time consuming
C. May not suit the present research objective
D. Originality
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Correct Answer: Option C

Explanation:
Secondary data was collected for a different purpose; definitions and coverage may differ.
This question belongs to: Accountancy and Statistics Statistics
Question #3
Harmonic mean is most appropriate for averaging:
A. Data with extreme outliers
B. Qualitative data
C. Rates and ratios, such as speed or price-earnings ratios
D. Ordinal scale measurements
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Correct Answer: Option C

Explanation:
Harmonic mean is suitable for averaging rates or ratios because it gives equal weight to each data point's reciprocal, preventing distortion from high values in rate calculations.
This question belongs to: Accountancy and Statistics Statistics
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