Capacity (in TB) Price (in $) 0.080 29.95 0.120 35.00 0.200 299.00 0.250 49.95 0.320 69.95 1.0 99.00 2.0 205.00 4.0 449.00
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Disk drives Disk drives have been getting larger. Their
capacity is now often given in terabytes (TB) where
1 TB = 1000 gigabytes, or about a trillion bytes. A
survey of prices for external disk drives found the
following data:a) Prepare a
b) What can you say about the direction of the
association?
c) What can you say about the form of the relationship?
d) What can you say about the strength of the
relationship?
e) Does the scatterplot show any outliers?
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