Understanding And Ability To Interpret Scatterplots
- 1.
What sort of relationship is described by this graph?- A.
Strong positive
- B.
Moderate positive
- C.
Weak positive
- D.
Neutral
- E.
Weak negative
- F.
Moderate negative
- G.
Strong negative
- 2.
What sort of relationship is described by this graph?
- A.
Strong positive
- B.
Moderate positive
- C.
Weak positive
- D.
Neutral
- E.
Weak negative
- F.
Moderate negative
- G.
Strong negative
- 3.
What sort of relationship is described by this graph?
- A.
Strong positive
- B.
Moderate positive
- C.
Weak positive
- D.
Neutral
- E.
Weak negative
- F.
Moderate negative
- G.
Strong negative
- 4.
What sort of relationship is described by this graph?
- A.
Strong positive
- B.
Moderate positive
- C.
Weak positive
- D.
Neutral
- E.
Weak negative
- F.
Moderate negative
- G.
Strong negative
- 5.
What sort of relationship is described by this graph?
- A.
Strong positive
- B.
Moderate positive
- C.
Weak positive
- D.
Neutral
- E.
Weak negative
- F.
Moderate negative
- G.
Strong negative
- 6.
What sort of relationship is described by this graph?
- A.
Strong positive
- B.
Moderate positive
- C.
Weak positive
- D.
Neutral
- E.
Weak negative
- F.
Moderate negative
- G.
Strong negative
- 7.
What sort of relationship is described by this graph?
- A.
Strong positive
- B.
Moderate positive
- C.
Weak positive
- D.
Neutral
- E.
Weak negative
- F.
Moderate negative
- G.
Strong negative
- 8.A scatter-plots points should be connected with lines
- A.
True
- B.
False
- 9.Bivariate data does not have to have a linear (straight line) relationship
- A.
True
- B.
False
- 10.A scatter plot of bivariate data will only ever indicate
- A.
Correlation
- B.
Causality
- C.
Correlation AND casuality
- 11.Causal (functional) relationships can only be proven through careful, rigorous experimentation.
- A.
True
- B.
False
- 12.A trend line is:
- A.
Sketched in to bisect the data
- B.
Calculated from the data through Regression analysis
- C.
Drawn with a ruler to show what the relationship is
- 13.The Correlation Coefficient (R) is a measure of the strength of the relationship
- A.
True
- B.
False
- 14.The Correlation Coefficient (R) is the square root of the Coefficient of Determination (r2)
- A.
True
- B.
False
- 15.The Coefficient of Determination (r2) is a measure of
- A.
How complicated the trendline equation is
- B.
How strong the relationship is
- C.
How closely the regression trendline matches the real data
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