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Linear Regression AP Stats

Authored by Jorge Batrez

Mathematics

9th - 12th Grade

CCSS covered

Used 95+ times

Linear Regression AP Stats
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16 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Describe the correlation in the graph shown.

Strong Negative
Strong Positive
Weak Negative
Weak Positive

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Describe the correlation in the graph shown.

Strong Negative
Strong Positive
Weak Negative
Weak Positive

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What letter do we use to represent correlation coefficient?

c
r
p
h

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What's the appropriate interpretation of the slope of the regression line?

For every additional 0.61 hours of growth, the culture is predicted to weight 1 more gram.
For every additional hour of growth, the culture is predicted to weigh 0.61 more grams.
For every additional hour of growth, the logarithm of the culture's weight in grams is predicted to increase by 0.61.
At the beginning of the experiment, the logarithm of the culture's weight in grams was approximately 0.61 ounces.

Tags

CCSS.HSS.ID.C.7

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What does r2 stand for?

correlation coefficient
coefficient of determination
slope of the line of best fit (LOBF) for a sample
slope of the line of best fit (LOBF) for a population

Tags

CCSS.HSS.ID.C.8

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which is TRUE?
I.  Random scatter in the residuals indicates a linear model.
II.  If two variables are very strongly associated, then the correlation between them will be near 1 or -1.
III.  Changing the units of measurement for x or y changes the correlation coefficient.

I only
II only
I and II only
I, II and III

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What should a residual plot look like?

Distinct Pattern
Curve
Random with no pattern
A few clumps

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