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1. Suppose a company lays off workers aged 30, 35, 56, 57, and 63, and retains workers aged 25, 33, 42, 44, and 48.
 

Summary: 1. Suppose a company lays off workers aged 30, 35, 56, 57, and 63, and retains
workers aged 25, 33, 42, 44, and 48.
a. Make a dot plot that displays this situation.
b. Suppose you use only the information about whether a person is in the protected
class (aged 40 or older), rather than the exact age. Do you then have evidence for
possible age discrimination? Explain.
c. This time, use only the information about whether a person is aged 50 or more.
Does the evidence using age 50 provide stronger or weaker support for a case of
possible age discrimination than using age 40? Explain.
2. The table below shows the ages and lay off status of 75 workers at a
manufacturing plant. Choose the statement that best expresses the conclusion you would
draw from these data.
Number of
Younger
Workers
Number of
Older
Workers
Total
Laid Off 13 33 46

  

Source: Abrego, Bernardo - Department of Mathematics, California State University, Northridge

 

Collections: Mathematics