What is a weighted average?
Weighted Averages AMDM NIX

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
A weighted average is a calculation that takes into account the importance or weight of each value being averaged.
2.
FLASHCARD QUESTION
Front
How do you calculate a weighted average?
Back
Multiply each value by its corresponding weight, sum up the results, and then divide by the sum of the weights.
3.
FLASHCARD QUESTION
Front
What is the formula for calculating a weighted average?
Back
Weighted Average = (Σ(value × weight)) / Σ(weight) where Σ denotes the sum.
4.
FLASHCARD QUESTION
Front
What is the significance of weights in a weighted average?
Back
Weights determine the relative importance of each value in the average calculation.
5.
FLASHCARD QUESTION
Front
If a student scores 70% on a test worth 50% and 90% on a quiz worth 50%, what is their weighted average?
Back
Weighted Average = (70% × 0.5) + (90% × 0.5) = 80%.
6.
FLASHCARD QUESTION
Front
In a weighted average, what happens if one value has a much higher weight than others?
Back
The weighted average will be closer to the value with the higher weight.
7.
FLASHCARD QUESTION
Front
How does a weighted average differ from a simple average?
Back
A simple average treats all values equally, while a weighted average accounts for the importance of each value.
Create a free account and access millions of resources
Similar Resources on Wayground
15 questions
Unit 1- Weighted Averages

Flashcard
•
9th - 12th Grade
15 questions
Unit 1- Weighted Averages

Flashcard
•
9th - 12th Grade
15 questions
Unit 1- Weighted Averages

Flashcard
•
9th - 12th Grade
15 questions
Statistics Review

Flashcard
•
9th - 12th Grade
15 questions
Expected Value

Flashcard
•
10th - 12th Grade
15 questions
Mean, Median, Mode, Midrange, Weighted Mean

Flashcard
•
10th - 12th Grade
15 questions
Weighted averages

Flashcard
•
9th - 11th Grade
15 questions
Algebra U4L14 - Absolute Value Word Problems

Flashcard
•
8th Grade - University
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade