The variance of a distribution increases more than proportionately with the spread of the distribution because:
a. variance is a squared quantity.
b. variance always lies at the center of the distribution.
c. variance is half the value of mean.
d. variance is closer to the maximum values.
A
Economics
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Suppose the inverse supply curve in a market is Q = 6p2. What is the producer surplus when price is equal to 4?
A) 96 B) 128 C) 28 D) 48
Economics
The value of goods added to a firm's inventory in a certain year is treated as
a. consumption, since the goods will be sold to consumers in another period. b. intermediate goods, and so is not included in that year's GDP. c. investment, since GDP aims to measure the value of the economy's production that year. d. spending on durable goods, since the goods could not be inventoried unless they were durable.
Economics