
Gaussian Mixture Models and Functions

Interactive Video
•
Mathematics, Science, Computers
•
10th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a coin flip in simulating a mixture of Gaussian distributions?
To calculate the mean of the Gaussian distributions
To set the standard deviation of the distributions
To decide which Gaussian distribution to sample from
To determine the number of samples to generate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used to simulate the results of a coin flip in R?
rnorm
geom_histogram
sample
table
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the mean and standard deviation of the first Gaussian distribution in the simulation?
Mean: 3, SD: 1.5
Mean: 10, SD: 1
Mean: 5, SD: 2
Mean: 0, SD: 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the resulting mixture of two Gaussians visualized?
Using a line graph
Using a pie chart
Using a histogram
Using a bar chart
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect does changing the probability weights have on the Gaussian mixture?
It affects the prominence of each distribution in the mixture
It alters the standard deviation of the distributions
It changes the mean of the distributions
It modifies the number of samples generated
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a high probability weight indicate about a distribution in the mixture?
The distribution is less important
The distribution is more important
The distribution has a lower standard deviation
The distribution has a higher mean
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many outcomes are considered in the proportions object for simulating three Gaussian mixtures?
Two outcomes
Three outcomes
Four outcomes
Five outcomes
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