If Σp₁q₀ = 720 and Σp₀q₀ = 600, the Laspeyres price index is: MCQ with Answer and Explanation

If Σp₁q₀ = 720 and Σp₀q₀ = 600, the Laspeyres price index is:
A. 1200
B. 120
C. 60
D. 83.33
Answer: Option B
Solution (By JKSSB Mock Tests)
P_L = 720/600 × 100 = 120.

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Practice More Statistics Questions

Question #1
If a group of 50 students has an average weight of 55 kg and another group of 30 students has an average weight of 45 kg, the combined average is:
A. 51.25 kg
B. 53.75 kg
C. 52 kg
D. 50 kg

Correct Answer: Option A


Explanation:
Sum = 50×55 + 30×45 = 2750 + 1350 = 4100, total = 80, mean = 4100/80 = 51.25.

This question belongs to: Accountancy and Statistics Statistics
Question #2
The geometric mean is undefined if the data contains:
A. Values greater than 1
B. Positive numbers only
C. Only fractions
D. Negative numbers and zero

Correct Answer: Option D


Explanation:
GM is defined only for positive numbers; zero or negative values are not allowed.

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Question #3
A questionnaire includes the question: 'Don't you agree that government policies have improved rural healthcare?' This question violates which design principle?
A. Maintaining neutrality and avoiding leading questions
B. Avoiding double-barreled questions
C. Mutually exclusive response options
D. Ensuring questions are answerable by all respondents

Correct Answer: Option A


Explanation:
The question is leading because it presupposes agreement and pressures respondents toward a positive response, violating the principle of neutrality in questionnaire design.

This question belongs to: Accountancy and Statistics Statistics