Scatter plots and Correlation
Quiz
•
Mathematics
•
10th Grade
•
Medium
+6
Standards-aligned
Patricia Clark-Dooley
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What type of association does this graph have?
positive
negative
none
all of the above
Answer explanation
The graph shows a negative association, meaning that as one variable increases, the other decreases. This is indicated by a downward trend in the data points, confirming the correct choice is 'negative'.
Tags
CCSS.HSF-LE.A.1B
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What type of association does this graph have?
positive
negative
none
all of the above
Answer explanation
The graph shows a positive association, meaning that as one variable increases, the other variable also tends to increase. This is why 'positive' is the correct answer.
Tags
CCSS.HSS.ID.B.5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What type of correlation (association)?
The outside temperature and the amount of layers you wear.
Positive correlation
Negative correlation
No correlation
All of the above
Answer explanation
As the outside temperature increases, the amount of layers you wear typically decreases. This indicates a negative correlation, meaning that one variable goes down as the other goes up.
Tags
CCSS.HSS.ID.B.5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The number of siblings you have and your weight.
Positive correlation
Negative correlation
No correlation
All of the above
Answer explanation
The number of siblings and weight are unrelated factors. Having more siblings does not inherently affect a person's weight, leading to no correlation between these two variables.
Tags
CCSS.HSS.ID.B.5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
r=-0.89
Strong positive
Weak positive
Strong negative
Weak negative
Answer explanation
The correlation coefficient r=-0.89 indicates a strong negative relationship between the variables. Values close to -1 signify a strong negative correlation, meaning as one variable increases, the other tends to decrease.
Tags
CCSS.HSS.ID.B.5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If the correlation coefficient of a table of data is 0.85, what is true about the line of best fit?
There is a weak, positive relationship
There is a strong, positive relationship
There is a weak, negative relationship
There is a strong, negative relationship
Answer explanation
A correlation coefficient of 0.85 indicates a strong, positive relationship between the variables. This means as one variable increases, the other tends to also increase significantly.
Tags
CCSS.HSF-LE.A.1B
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
strong positive
strong negative
weak positive
weak negative
Answer explanation
The correlation coefficient r=-0.86 indicates a strong negative relationship between car weight and distance traveled. As car weight increases, the distance traveled on a full tank of gas tends to decrease significantly.
Tags
CCSS.HSS.ID.B.5
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