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
< 1min
The plotted points represent the number of ice-cream sales ($y$y-axis) in a day for a given temperature ($x$x-axis).
Easy
< 1min
The scatter plot below shows the altitude and average annual temperature of ten randomly selected locations on Earth.
Easy
5min
The scatter plot below shows the amount of ambient oxygen in the air at various altitudes.
Easy
5min
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