DATA1501 Practice Quiz
Authored by Nathalie Akadje
Mathematics
University
CCSS covered
Used 8+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • Ungraded
How do you feel about the final quiz?
Not Confident
Somewhat Confident
Confident
Very Confident
2.
MATCH QUESTION
45 sec • 1 pt
The probability that the null hypothesis is true.
Level Of Significance
A measure of how confident you can be about rejecting the null hypothesis
When P-value<0.05
We accept the alternative hypothesis
When P-value>0.05
We reject the null hypothesis
None of the above
We do not reject the null hypothesis
p-value
3.
REORDER QUESTION
20 sec • 1 pt
Reorder the following steps for hypothesis testing
Determine the appropriate test for your hypothesis
Interpret the result and determine whether to reject the null hypothesis or not
Formulate the hypothesis
Perform the test
4.
MATCH QUESTION
30 sec • 1 pt
See the equation above, Match the following
Slope
Intercept
x
Predictor Variable
Target Variable
Y
Tags
CCSS.8.SP.A.3
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
See the equation above, what does it represent?
Simple Linear Regression
Multiple Linear Regression
Binning Equation
Residuals Equation
Tags
CCSS.HSS.ID.B.6A
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What is true about residuals?
Residuals are also known as error
Residuals are the difference between predicted values of y and observed values of y.
Residual=actual y value −calculated y
Residual=actual y value + calculated y
Tags
CCSS.HSS.ID.B.6B
7.
MATCH QUESTION
45 sec • 1 pt
Match the following transformations to their variables
Symmetrical
None of the above
Skewed to the left
Taking the square root
Skewed to the right
Variable ranking
Nominal
Raising to the power of 2
Ordinal
Dummy Coding
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