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Instruction 8-16
The Registrar of a university would like to estimate the proportion of the student population who owns a personal computer. In a sample of 500 students, 417 own a personal computer.
-Referring to Instruction 8-16,a confidence interval estimate of the population proportion would only be valid if the distribution of the number of students who own a personal computer is normal.
Herfindahl Index
An economic measure of market concentration, calculated by summing the squares of the market shares of all competitors within an industry.
Industry Concentration
A measure of the extent to which a small number of firms dominate the total production, sales, or market share in an industry.
Elastic
A measure in economics indicating how much the demand or supply of a good changes in response to a change in price.
Marginal Revenue
The extra revenue gained by selling an additional unit of a product or service.
Q2: Referring to Instruction 8-9,the critical value used
Q57: When testing for the difference between two
Q61: Referring to Instruction 10-13,construct a 99% confidence
Q68: Referring to Instruction 7.5,among all the random
Q86: Referring to Instruction 10-3,suppose <span
Q108: When the sample sizes are equal,the pooled
Q116: Referring to Instruction 10-2,the researcher was attempting
Q122: Referring to Instruction 6.5,the data appear normal.
Q143: As a general rule,one can use the
Q171: Referring to Instruction 6.2,the probability is 0.10