What is the main focus of the lesson on comparing populations?

Measures of Center and Variation

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Exploring geometric shapes
Learning about random samples
Understanding probability
Using measures of center and variation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When should you use the median and IQR to describe data?
When data is skewed
When data is symmetric
When data is random
When data is uniform
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What measure is used to describe symmetric distributions of data?
Median and IQR
Mean and MAD
Mode and Range
Variance and Standard Deviation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with dot plots, what was the mean response time for candidate A?
70 seconds
84 seconds
60 seconds
58 seconds
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the MAD for candidate B in the dot plot example?
20
16
30
24
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the mean of candidate A's response times is 84, what is the mean of candidate B's response times?
90
70
58
84
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does adding 30 seconds to each value in a dataset affect the mean?
The mean doubles
The mean increases by 30
The mean remains the same
The mean decreases by 30
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