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Class 4 Quiz Flashcards | StudBud
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Class 4 Quiz
Class 4 Quiz
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StudBud Administration
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Warm up - Statistics - Probability
Flashcards
7 cards
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Practice quiz
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Questions
7
Answers
1
Which of the following definitions are false about R-squared error?
measures the variation in the dependent variable
the independent variables are a cause of the changes in the dependent var.
describes how likely it is that your data would have occurred by chance
measures of how well the model explains the data
2
4 floors in a hotel. The higher the floor the more people live there. To which floor does the lift go most often?
3
1
2
4
3
Olive's Mom has five daughters: Rebecca, Claire, Alexandra, Alima ... What is the name of the firth daughter?
Anaïs
Ségolène
Olive
Anne
4
What is the heaviest box?
red
purple
green
they are all equally heavy
5
How many people must be in the room for having at least 50% chances that two of them have the same birthday
23
36
52
60
6
Switching the door you will have a 2/3 chance of winning the car
True
False
7
The Pearson coefficient between two variables (r) is equal to -0.08, how should I interpret it?
negative linear relationship
perfectly linear relationship
negligible linear relationship
no linear relationship
