To standardize a variable you
A) subtract its mean and divide by its standard deviation.
B) integrate the area below two points under the normal distribution.
C) add and subtract 1.96 times the standard deviation to the variable.
D) divide it by its standard deviation, as long as its mean is 1.
Answer: A
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The life-cycle hypothesis applies the concept of ________ to retirement
A) income & substitution effects B) transitory income C) autonomous consumption D) consumption smoothing
A general sales tax and a value-added tax have _____
a. a common tax base b. nothing in common c. rates in common d. investment as a tax base e. a and d
Starting from long-run equilibrium, a decrease in autonomous investment results in ________ output in the short run and ________ output in the long run.
A. lower; potential B. higher; higher C. higher; potential D. lower; higher
Using the data in the table above, the growth rate of real GDP has
A) increased from year to year. B) increased more rapidly from year to year. C) remained constant from year to year. D) slowed from year to year. E) probably changed, but more information is needed about the price level to determine by how much it has changed.