Question 12. Directors of a company claim that 90% of the workforce supports a new shift pattern that they have suggested. A random survey of 100 people in the workforce finds 85 in favour of the new scheme. Test if there is a significant difference between the survey results and the director's claim. 12.1 What
Question 12.
Directors of a company claim that 90% of the workforce supports a new shift pattern that they have suggested. A random survey of 100 people in the workforce finds 85 in favour of the new scheme. Test if there is a significant difference between the survey results and the director's claim.
12.1 What kind of test will you perform?
(a) 1 sample z-test (b) 1 sample t-test (c) 1 sample proportion t-test (d) 2 sample t-test
12.2 State the Alternative Hypothesis
(a) H1: mu < 0.9 (b) H1: mu > 0.9
(c) H1: mu 0.9 (d) H1: mu 0.9
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