Which of the following best defines a natural key?
A) It is an arbitrary, random key with no business meaning
B) It is an attribute that naturally belongs to the entity
C) It is made up of two or more attributes combined
D) It is an attribute that could potentially be used for a primary key
B
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Which difficulty of range as a measure of variability is overcome by interquartile range?
A. The sum of the range variances is zero B. The range is difficult to compute C. The range is influenced too much by extreme values D. The range is negative
When comparing differences between the percentages of two groups and our z is 1.98 at the 95% level of confidence, we may conclude the two percentages are significantly different
Indicate whether the statement is true or false
Over time, organizational behavior has gradually shifted from a situational perspective to a universal perspective.
Answer the following statement true (T) or false (F)
Which of the following is true?
A) A bond is a secured instrument and a debenture is an unsecured instrument. B) A bond is a debt security and a debenture is the agreement between the bondholder and the corporation. C) A bond is an instrument that has a maturity of more than five years and a debenture has a maturity of less than five years. D) Bonds and debentures are two different terms to describe the same instrument.