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   Data were collected from CEO's in the consumer products and telecommunication industries.

3.   Data were collected from CEO's in the consumer products and telecommunication industries. It is desired to compare the mean salaries between CEO's in the consumer products industry and CEO's in the telecommunications industry. The data were analyzed using the ASP software package.
HYPOTHESIS: MEAN X = MEAN Y
SAMPLES SELECTED FROM SALARY
X = Consumer Products
Y = Telecommunications
SAMPLE MEAN OF X = 1761
SAMPLE VARIANCE OF X = 3.97555E6
SAMPLE SIZE OF X = 21
SAMPLE MEAN OF Y = 1093.5
SAMPLE VARIANCE OF Y = 103255
SAMPLE SIZE OF Y = 21
MEAN X - MEAN Y = 667.5
test statistic = 1.47809
D. F. = 40
P-VALUE = 0.147626
P-VALUE/2 = 0.0738131
SD. ERROR = 451.597
Using alpha = .05, give the rejection region for a two-tailed test.
1) Reject H0 if t > 1.684.
2) Reject H0 if t > 1.684 or t 3) Reject H0 if t > 2.021 or t 4) Reject H0 if t > 2.021.

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