Question

Exhibit 16-1 Salary information regarding male and female employees of a large company is shown below. Mals Female Sample Sure 36 Sample Mean Salary (in $1,000) Population Variance (0) 128 3. Refer to Exhibit 10-1. The point estimate of the difference between the means of the two populations is b. 3 C4 d 4 ANS: B 4. Refer to Exhibit 10-1. The standard error for the difference between the two means is b. 7.46 64.24 d20 ANS: D 5. Refer to Exhibit 10-1. At 95% confidence, the margin of error is a. 1.96 b.1645 3.920 d. 2.000 ANS: C 6. Refer to Exhibit 10-1. The 95% confidence interval for the difference between the means of the two populations is a 010 6.92 b -2002 c. -1.96 to 1.96 d. -6.92 to 6.92 ANS: D 7. Refer to Exhibit 10-1. If you are interested in testing whether or not the average salary of males is significantly greater than that of females, the test statistic is a 2.0 b15 196 d. 1.645 ANS: B 8. Refer to Exhibit 10-1. The p-value is a 0.0668 b00334 1116 d1.96 ANS: A 9. Refer to Exhibit 10-1. At 95% confidence, the conclusion is the a average salary of males is significantly greater than females b. average salary of males is significantly lower than females c salaries of males and females are not equal d. None of these alternatives is correct.

answer the exibit with an explanation please

Answer 1

Solution: The differece between the means of the two population Mean (male) = 44 28, Mean (female) = 41 . X-8 24-41=3 [option: B Standard cross Standard room Here sonate to 128 and 2. = 64 and na = 36. = 72 femal t og fara = S=2 Standard coconu (optional (5) asi c.I marginal eroon Z** Stande-d esso Casi co 2 1.96 - 1.960x2 = 3.920 optional 2-3 = 3 52,-59 Manginal erro Marginal error = 3.92 3 + 3.92 = -0.92 to 6.92 loption: