Activity Z has estimates a = 5, b = 12, m = 7; activity X has estimates a = 5, b = 11, m = 6; and activity Y has estimates a = 3, b = 11, m = 8. Which of the following statements is BEST?
A) Activity X is longer than Activity Y.
B) Activity X has a higher standard deviation than Activity Z.
C) Activity Z is shorter than Activity Y.
D) Activity Y has a smaller variance than Activity Z.
C
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In recessions, the short-term expected real interest rate usually
A. rises by about 4 percentage points. B. rises by about 2 percentage points. C. declines by about 2 percentage points. D. declines by about 4 percentage points.
The person who acts as both sender and receiver of messages is called the
A) transceiver B) decoder C) encoder D) messenger
Roberto has been tasked with reviewing the core dimensions of each job within his large automotive repair department. Several of the jobs in Roberto's department require employees to completely tear down and put back together an entire engine. This job speaks to which component of the Job Characteristics Model (JCM)?
A. Autonomy B. Skill variety C. Task identity D. Task significance E. Feedback
A letter refusing credit might effectively include a statement such as Cash purchases receive a 2 percent discount
Indicate whether the statement is true or false