
regression calculator stat analysis 4
Authored by G Farley
Mathematics
9th - 12th Grade
Used 7+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does "r" represent?
correlation coefficient
coefficient of determination
regression coefficient
regression value
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does r2 represent?
correlation coefficient
coefficient of determination
regression coefficient
regression value
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What values of r are acceptable?
0 ≤ r ≤ 1
0 < r < 1
-1 ≤ r ≤ 1
-1 < r < 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does "dimmismatch" mean?
requested value is off the screen
GOTO
the lists are different lengths
the statplot window is not correctly aligned
the wrong graph is selected in statplot
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does r measure?
how closely the data fits the regression
how closely the data fits a linear model
how much variation in observations
the value of the residual
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If r = -0.54,
weak negative correlation
strong negative correlation
strong positive correlation
weak positive correlation
no correlation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the best prediction for the value of r .
r = 0.9
r = 0.23
r =-0.92
r = 1
r = -1
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