What is the main focus of the video?

Understanding Weighted Averages

Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Hard

Thomas White
FREE Resource
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculating regular averages
Understanding weighted averages
Learning about bodybuilders
Discussing car weights
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with kids and a bodybuilder, what is the regular average weight calculated?
200 pounds
300 pounds
133 pounds
100 pounds
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the regular average not accurately represent the group in the example?
Because the weights are not evenly distributed
Because the bodybuilder is much heavier
Because the kids are all the same weight
Because there are more kids than bodybuilders
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the weighted average calculated in the example with kids and a bodybuilder?
By taking the lightest weight
By taking the heaviest weight
By multiplying each weight by the number of people with that weight and dividing by the total number of people
By adding all weights and dividing by the number of people
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the weighted average weight in the example with kids and a bodybuilder?
200 pounds
133 pounds
100 pounds
300 pounds
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with four bodybuilders and one kid, what is the weighted average weight?
100 pounds
200 pounds
260 pounds
300 pounds
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the weighted average change when there are more bodybuilders than kids?
It remains the same
It becomes closer to the weight of the bodybuilders
It becomes the average of the two weights
It becomes closer to the weight of the kids
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