1. ANOVA is a statistical method for verifying the equality between some sample means b. a....
a) b) Salary information regarding two independent random samples of male and female employees of a large company is shown below. Male Female 64 36 Sample size Sample mean salary (in $1000s) Population variance 44 41 128 72 If you are interested in testing whether the average salary of males is significantly greater than that of females, what is the null hypothesis? O Ho: male < female Ho male > female Ho: male > female None of the answers is...
Salary information regarding male and female employees of a large company is shown below. Male Female Sample Size 68 32 Sample Mean Salary (in $1,000s) 59 52 Population Variance (σ2) 272 160 In a test of whether or not the population average salary of males is significantly greater than that of females at α = 0.05, the p-value is 0.0098. a) The conclusion is that the population salaries of males and females are equal. b) there is no evidence that...
QUESTION 1 Salary information regarding two independent random samples of male and female employees of a large company is shown below. Male Female 36 41 72 Sample size 64 Sample mean salary (in44 S1000s) Population variance 128 The point estimate of the difference between the means of the two populations (Male - Female) is -28 4 -4 Refer to Question 1. The standard error for the difference between the two means is_ 4 7.46 4.24 2.0 Refer to Question 1...
Salary information regarding male and female employees of a large company is shown below. Male; Female Sample Size: 64; 36 Sample Mean Salary (in $1,000): 44; 41 Population Variance: 128; 72 Show work please: 1.) the p-value is? 2.) At 95% confidence, the conclusion is the a. salaries of males and females are equal b. average salary of males is significantly lower than females c. average salary of males is significantly greater than females d. None of these alternatives is...
answer the exibit with an explanation please 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....
What is the null hypothesis for Levene’s Test for Equality of Variances? Tested at a .05 level of significance, the Levene’s F-test in the output shows that a.Means are significantly different b.Means are not significantly different c.Variances are significantly different d.Variances are not significantly different What is the null hypothesis to test the statement that the average amount of days spent doing homework is different for males and females? What is the alternative hypothesis to test the statement that the...
Stress between males and females *Note: alpha = .001 1 t-Test: Two-Sample Assuming Unequal Variances Female Male 4 Mean 5 Variance 6 Observations 7 Hypothesized Mean Difference 3.655737705 3.52857143 1.296174863 1.12236025 70 61 8 df 9 t Stat 10 P(T-t) one-tail 11 t Critical one-tail 12 P(T<-t) two-tail 13 t Critical two-tail 124 0.658596658 0.255687918 3.157259054 0.511375836 3.370720124 Student Survey Data (2 Sample t-test) 1. Test Decision & Basis 2. Interpretation of Test Decision:
The average expenditure on Valentine's Day was expected to be $100.89 (USA Today, February 13, 2006). Do male and female consumers differ in the amounts they spend? The average expenditure in a sample survey of 50 male consumers was $132.48, and the average expenditure in a sample survey of 34 female consumers was $65.27. Based on past surveys, the standard deviation for male consumers is assumed to be $32, and the standard deviation for female consumers is assumed to be...
he USA Today reports that the average expenditure on Valentine's Day is $100.89. Do male and female consumers differ in the amounts they spend? The average expenditure in a sample survey of 50 male consumers was $135.67, and the average expenditure in a sample survey of 36 female consumers was $68.64. Based on past surveys, the standard deviation for male consumers is assumed to be $33, and the standard deviation for female consumers is assumed to be $22. What is...
eBook The average expenditure on Valentine's Day was expected to be $100.89 (USA Today, February 13, 2006). Do male and female consumers differ in the amounts they spend a sample survey of 30 female consumers was $68.64. Based on past surveys, the standard deviation for male consumers is assumed to be $35, and the standard deviation for Round your answers to 2 decimal places. a. What is the point estimate of the difference between the population mean expenditure for males...