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STA 1502/101/3/2019 QUESTION 9 Two random samples of 40 men and 32 women with similar qualifications were drawn. The following data about their monthly salaries were recorded: | Women | X-R9000 | sx = R600 Men | Y-R9700|Sy=R900 Assume independence, normality and equal population variances. The 95% confidence interval for the difference between the population means uy-ux 1. (246.5218; 1153.6724) 2. (346.3258; 1053.6724) 3. (700; 353.6724) 4. (1053.6742; 346.3258) 5. (340.3285; 1503.6472)

math   Statistics-And-Probability   
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O W hi h I 2 He hare 丿冫丿 イMf.e 2. S 1 hリ : | 346-3258) 1053 672ฐา

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