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Data & Scatterplots Algebra Flashcards | StudBud
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Data & Scatterplots Algebra
Data & Scatterplots Algebra
21 terms
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StudBud Administration
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321 plays
To review basic patterns of association and best fit lines
Flashcards
21 cards
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Practice quiz
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Questions
21
Answers
1
What is the independent variable in this scatterplot?
Basketball stats
It is not shown on this scatterplot
Points scored
Minutes played
2
What time does the function predict that the fastest 14 yr old could run a marathon? (rounded)
199 minutes
213 minutes
207 minutes
225 minutes
3
What is the line called that is drawn on this scatterplot?
the line of best fit
The correlation coefficient
a relationship line
the line of correlation
4
Can a relationship be causative without being correlative?
Yes
No
5
What is the name of a point that falls outside the norm?
deviation
abnormality
exception
outlier
6
What does the slope of the best fit line represent?
The amount of money gained per degree celcius
The money of the weather
Impossible to determine
The rate of money gained over change in temperature
7
What say you?
A lack of exercise causes diabetes
Exercising can reduce the risk for diabetes
There's a strong negative correlation between the two
There is a high correlation between diabetes and exercise
8
What type of association is shown by the scatter plot?
None
Negative
Positive
Non-Linear
9
Which is NOT an example of Causation?
Sleeping and Test Performance
Rainfall and river water levels
Age and Hearing Loss
Height and Weight
10
What is the equation of the best fit line?
y = 5x + 16
y = 10x + 16
y = 1/2 x + 16
y = 1/5 x + 16
11
What is the relationship between the variables?
There is a strong positive relationship.
There is a strong negative relationship.
There is a weak negative relationship.
There is a weak positive relationship
12
Which IS and example of Causation?
Smoking and Lung Cancer
Amount of homework and happiness
Age and Height
Time and Money Earned
13
Scatterplots are used to discover if there is a _________ between variables.
relationship
trend
relationship or correlation
correlation
14
What was Ellie for Halloween this year?
A duck
Elmo
A mermaid
A lion
15
What type of association is shown on the graph?
None
Positive
Non-Linear
Negative
16
What is the y-intercept of the given best fit line represent?
The amount of time spent studying for a score of 67
The average test score with no time spent studying
All of the above
Average Test Score
17
What type of function models best to this data?
Quadratic
Exponential
Linear
Modulus
18
Use the line of best fit to predict the science test outcome for a math score of 60.
40
30
not enough information to tell
25
19
What relationship is shown on this image?
no relationship
weak positive relationship
strong positive relationship
weak negative relationship
20
Is correlation proof of causation?
STILL NO!!!
yes
NO!
Perhaps...
21
Can a relationship be correlative without being causative?
No
Yes
