EBK BUSINESS STATISTICS
7th Edition
ISBN: 8220102743984
Author: STEPHAN
Publisher: PEARSON
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a process fails the capability test (Cpk) then you can conclude it must NOT be in control.
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Researchers wanted to conduct a study on the GPA of third year working engineering students in their University. They think that some students with work learned how to manage their time wisely and step up to leadership challenges, while a certain portion of them have problems balancing work and school, and thus, experience stress more than non-working students. The study wants to identify if there is significant difference on the GPA of third year working students with leadership roles and working students without. Identify the population from which the study should be sampled.
a. All working students
b. Third year working engineering students
c. All engineering students in the University
d. Third year Engineering Students with part-time job who have adequate time-management and leadership skills.
The personality characteristics of business leaders (e.g., CEOs) are related to the operations of the businesses that they lead (Oreg & Berson, 2018). Traits like openness to experience are related to positive financial outcomes and other traits are related to negative financial outcomes for their businesses. Suppose that a board of directors is interested in evaluating the personality of their leadership . Among a sample of n = 16 managers , the sample mean of the openness to experiences dimension of personality was M = 4.50 . Assuming that mu = 4.24 and sigma = 1.05 (Cobb -Clark & Schurer , 2012) , use a two-dailed hypothesis test with alpha = .05 to test the hypothesis that this company's business leaders ' openness to experience is different from the population .
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