In this scatter plot, is there a RELATIONSHIP/PATTERN between the x and y variables? a. Yes, there is a relationship/pattern. b. No, there is NOT a relationship, no pattern.
Yes, there is a pattern. There is a relationship.
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boom
Lose 50 points!
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rocket
Go to first place!
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gift
Win 20 points!
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thief
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25
15
If the correlation coefficient is : r = +0.3, is the correlation POSITIVE or NEGATIVE? Is it STRONG or WEAK?
Weak Positive correlation
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15
This scatter plot shows a POSITIVE correlation between the temperature (x) and the number of people at the pool (y). As the temperature INCREASES, the number of people at the pool ______________.
Also increases
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10
TRUE/FALSE?"least squares regression line" is also known as "the line of best fit"
TRUE
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thief
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gold
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rocket
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lifesaver
Give 15 points!
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15
Is this scatter plot showing a POSITIVE linear correlation or a NEGATIVE linear correlation?
Positive Linear Correlation
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15
Is this scatter plot showing a POSITIVE linear correlation or a NEGATIVE linear correlation?
Negative linear correlation
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10
In this scatter plot, is there a RELATIONSHIP/PATTERN between the x and y variables? a. Yes, there is a relationship/pattern. b. No, there is NOT a relationship, no pattern.
a. Yes, there is a relationship/pattern
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15
Is this scatter plot showing a POSITIVE linear correlation or a NEGATIVE linear correlation?
Negative Linear Correlation
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15
Is this scatter plot showing a POSITIVE linear correlation or a NEGATIVE linear correlation?
Positive linear correlation
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banana
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gift
Win 5 points!
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fairy
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25
lifesaver
Give 25 points!
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15
If the correlation coefficient is : r = +0.9, is the correlation POSITIVE or NEGATIVE? Is it STRONG or WEAK?
Strong Positive correlation
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15
This scatter plot shows a NEGATIVE correlation between the number of missed classes (x) and exam scores (y). As the number of missed classes INCREASES, the exam scores ______________.
DECREASE
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10
In this scatter plot, is there a RELATIONSHIP/PATTERN between the x and y variables? a. Yes, there is a relationship/pattern. b. No, there is NOT a relationship, no pattern.
Yes, there is a relationship/pattern
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20
The equation of the line of best fit for this scatter plot is: y=10x+45. Predict the exam score of a student (y) who studied 3 hours (x).