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
A measure of how confident you can be about rejecting the null hypothesis
Level Of Significance
The probability that the null hypothesis is true.
When P-value>0.05
We do not reject the null hypothesis
None of the above
We accept the alternative hypothesis
When P-value<0.05
We reject the null hypothesis
p-value
3.
REORDER QUESTION
20 sec • 1 pt
Reorder the following steps for hypothesis testing
Formulate the hypothesis
Interpret the result and determine whether to reject the null hypothesis or not
Determine the appropriate test for your hypothesis
Perform the test
4.
MATCH QUESTION
30 sec • 1 pt
Slope
Y
Predictor Variable
x
Intercept
Target Variable
Tags
CCSS.8.SP.A.3
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
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 right
Taking the square root
Skewed to the left
Dummy Coding
Nominal
Variable ranking
Ordinal
Raising to the power of 2
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