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Power of a Test and p-values MCQs

Prepare for Power of a Test and p-values MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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390420 MCQs Page 32719

Topic Notes: Statistics

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Practice Statistics MCQs to prepare for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests in Pakistan. This section covers key theoretical concepts, syllabus topics, and repeated past paper questions related to Statistics.

Topic-Wise Breakdown
Structured subject modules organized by difficulty and exam frequency.
Verified Answer Keys
Detailed explanations cross-referenced with standard textbooks and commission keys.
Complete Coverage
Covers fundamental definitions, advanced problem-solving, and recent exam trends.

How to Prepare Statistics MCQs for Competitive Exams

Review each sub-topic systematically. Start with fundamental concepts, practice multiple-choice question sets under timed conditions, and note down questions you missed in your revision tracker. Select a specific topic from the list below to begin practice.

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327181
The salary of an employee is first increased by 50% and then decreased by 50%. The net change is:
327182
The tax on a commodity is diminished by 15% and its consumption increases by 10%. The effect on revenue is?
327183
If the radius of a circle increases by 20%, its area increases by:
327184
The length of a rectangle is increased by 10% and its breadth is decreased by 10%. What is the change in area?
327185
A number decreases by 10%, then increases by 20%. What is the net percentage change?
327186
A number is increased by 20% and then by 30%. What is the total percentage increase?
327187
The price of a commodity is reduced by 25%. How much percent must a family increase consumption so the expenditure remains the same?
327188
The price of sugar increases by 20%. By what percent should consumption decrease so the expenditure remains the same?
327189
A number is increased by 10% and then decreased by 10%. The net change is?
327190
Two numbers are respectively 20% and 50% more than a third number. The first number is what percent of the second?