Answer Happy

d.0.99386 7. Salary information regarding male and female employees of a large company is shown below. Male Female Sample size 81 25 Sample mean salary (in 1000) 45 41 Population Variance (in 1,000,000) 128 72 At 95% confidence, the margin of error of the difference between the population mean of male salary and the population mean of female salary is a. 1645. b. 1960 AS C. 4139 d. 2850
9. The following information was obtained from matched samples taken from two populations. Assume the population of differences is normally distributed. Individual Method 1Method 2 1 7 15 2 = 4 6 =-2 7 7 EX 12-1 The null hypothesis is tested, the test statistic is a. 2.41 b. 0.6 c. 0.65 d.0.29 osigur 3 14 15 9 15 ballos so down 3.0