Practical Data Science using Python - Random Variables and Normal Distribution

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Information Technology (IT), Architecture, Mathematics
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is another name for random variables?
Deterministic variables
Stochastic variables
Predictable variables
Fixed variables
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which distribution is commonly used in data science and is also known as the Gaussian distribution?
Uniform distribution
Exponential distribution
Normal distribution
Poisson distribution
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What shape does the normal distribution resemble?
A bell
A pyramid
A triangle
A square
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In performance management, what does the bell curve method imply about employee ratings?
Ratings are randomly assigned
Most employees are rated at the extremes
Most employees are rated in the middle
All employees are rated equally
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the highest rating in a typical bell curve appraisal system?
Three
Two
One
Five
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In quality control, what is the term for the entire group of items being tested?
Control group
Sample
Subset
Population
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is sampling used in quality control instead of testing the entire population?
To avoid bias
To test every item
To ensure accuracy
To save time and resources
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