Interactive practice questions
The points plotted indicate the number of office buildings ($y$y-axis) in a city over time ($x$x-axis).
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a
Which type of model would be appropriate for this data?
Linear
A
Exponential
B
b
Will the slope of the line in the linear model be positive or negative?
Positive
A
Negative
B
Easy
< 1 min
The plotted points represent the number of ice-cream sales ($y$y-axis) in a day for a given temperature ($x$x-axis).
Easy
< 1 min
The scatter plot below shows the altitude and average annual temperature of ten randomly selected locations on Earth.
Easy
5 min
The scatter plot below shows the amount of ambient oxygen in the air at various altitudes.
Easy
5 min
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