easyFree✓ Verified2025Understand
If the average of 5 students is given and one student leaves, how is the new average calculated?
Subject
Mathematics
Topic
Statistics
Subtopic
Average Concept
Source
QUIZZERA
easy
Add the leaving student’s marks to the total and divide by 4
Subtract the leaving student’s marks from total sum, then divide by 4
Multiply the original average by 4
None of these
Correct Answer
Sign in to view the correct answer.
Explanation
Login or upgrade to view the explanation. Sign in
Concept Behind This Question
This question focuses on the concept of Average Concept under the broader topic of Statistics.
Related key concepts: Statistics.
Browse This Topic
1-on-1 Mentorship Available
Struggling with Mathematics? Get instant help from top-rated verified mentors.
Mentisera SMC Pakistan
0.0
Related Questions
- easyStatistics
The average of 5, 10, 15, and x is 20. What is the value of x?
- easyStatistics
Mean of 5 numbers is 18. Four numbers are 16, 18, 14, and 22. The 5th number is:
- easyStatistics
The average of 3 numbers is 26. If the first number is 16 and the second is 31, the third number is:
- easyStatistics
If 8 persons have an average of 12.5 and one person of 18 kg is replaced with 10 kg, the new average will be:
- easyStatistics
The numbers 7, 6, 10, 8, and 9 have frequencies 2, 2, 5, 1, and 2. Find their mean.
- mediumStatistics
Standard deviation is the square root of:
Question Details
- Subject:
- Mathematics
- Topic:
- Statistics
- Subtopic:
- Average Concept
- Difficulty:
- easy
- Source:
- QUIZZERA
Concepts Covered
Unlock progress tracking
Save your place, track weak areas, and build a study plan.
Create Free AccountRelated Questions6
All in StatisticsPractice Exams1
All Mathematics ExamsGet One-on-One Mentorship for Mathematics
Struggling with this topic? Learn directly from verified expert mentors who have aced these exams.
Mentisera SMC Pakistan
0.0· verified
Teaches:
PKR 5,000/hr
DE
Demo Mentor
0.0· verified
Teaches:
PKR 5,000/hr
Also explore