An R square of 1.0 indicates:
a. the standard error in the data is equal to 1%.
b. a perfect correlation between the independent and dependent variables.
c. that the independent variables are insignificant.
d. that the slope of the cost equation will be 1.
b
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Shadow prices represent
A) the value of one additional unit of a basic variable. B) the value of one less unit of a basic variable. C) the value of one less unit of a specific resource. D) the value of one additional unit of a specific resource. E) None of the above
When determining the size of a fact table, estimating the number of possible values for each dimension associated with the fact table is equivalent to:
A) determining the number of DDL statements made to create a table. B) determining the number of possible values for each foreign key in the fact table. C) determining the number of DML statements made to create a table. D) determining the number of TRIGGERS used in the database.