The accompanying data provides the results of a survey of 27 employees in a tax division of a Fortune 100 company.a. Test the null hypothesis that the average number of years of service is the same for males and females. Assume that the population variances are unequal.b. Test the null hypothesis that the average years of undergraduate study is the same for males and females. Assume that the population variances are unequal.Click the icon to view the survey data.a. Is there sufficient evidence at the 0.01 level of significance that the average number of years of service is the same for males and females?Determine the null hypothesis, Ho, and the alternative hypothesis, H₁. Let females be population 1 and males be population 2.Ho P-P2H₁: P₁ - H= 0(Type integers or decimals. Do not round.)Compute the test statistic.- 3.65 (Round to two decimal places as needed.)Find the p-value for the test.(Round to three decimal places as needed.)

Hypotheses:H0:μ1−μ2=0H1:μ1−μ2=0 Test Statistic: -3.65 p-value: 0.002Explanation:This problem…

Answered: The accompanying data provides the…

FINANCIAL ACCOUNTING

10th Edition

ISBN:9781259964947

Author:Libby

Publisher:Libby

Chapter1: Financial Statements And Business Decisions

Section: Chapter Questions

Problem 1Q

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Use the Regression tool on the accompanying wedding data, using the wedding cost as the dependent variable and attendance as the independent variable. Complete parts a through o. Click the icon to view the wedding data. ine siope indicates that for eacn increase or 1 in attendance, the predicted weading cost is estimated to increase by a value equal to o₁.. OC. It is not appropriate to interpret the slope because it is outside the range of observed attendances. OD. The slope indicates that for each increase of 1 in wedding cost, the predicted attendance is estimated to increase by a value equal to b Interpret the Y-intercept of the regression equation. Choose the correct answer below. X Wedding Attendance and Cost Wedding Cost 58700 Attendance OA. The Y-intercept indicates that a wedding with an attendance of 0 people has a mean predicted cost of $bo OB. The Y-intercept indicates that a wedding with a cost of $0 has a mean predicted attendance of by people. OC. It is not appropriate to…
Calculate total projected mistreatment if the following three mistreatments were discovered in a PPS sample when the sampling interval is $1,000. Recorded Amount Audit Amount Sampling interval Total Projected Mistreatment 1st mistreatment $400 $320 $1,000 _________________ 2nd mistreatment 500 0 $1,000 _________________ 3rd mistreatment 3,000 2,500 $1,000 _________________
The following are auditor judgments and attributes sampling results for six populations. Assume large population sizes. 1 2 3 4 5 6 EPER (in percent) 2 0.5 1 0 2 5 TER (in percent) 6 4 20 3 8 10 ARO (in percent) 10 5 10 5 5 10 Actual sample size 100 100 20 100 60 60 Actual number of exceptions in the sample 2 3 1 1 1 5 For each population, did the auditor select a smaller sample size than is indicated by using the attributes sampling tables in Table 15-8(p. 519) for determining sample size? What are the implications of selecting either a larger or smaller sample size than those determined using the tables? Calculate the SER and CUER for each population. For which of the six populations should the sample results be considered unacceptable? What options are available to the auditor? Why is analysis of the exceptions necessary even when the populations are considered acceptable? For…
Use the following returns for X and Y. Returns Year x y 1 21.8% 26.4% 2 -16.8 -3.8 3 9.8 28.4 4 19.6 -14.6 5 4.8 32.4 a. Calculate the average returns for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) b. Calculate the variances for X and Y. (Do not round intermediate calculations and round your answers to 6 decimal places, e.g., 32.161616.) c. Calculate the standard deviations for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)
Using the accompanying data of restaurant sales, determine if the variance of weekday sales is the same as that of weekend sales for each of the three variables (lunch, dinner, and delivery). Click the icon to view the restaurant sales data. Is there sufficient evidence at the 0.01 level of significance to conclude that the variance of weekday sales is the same as that of weekend sales for lunch sales? Determine the null hypothesis, Ho, and the alterative hypothesis, H₁ Let weekend sales be population 1 and weekday sales be population 2. 2 2 100 0 2 2 0 Ho 0-0 H₁: 0-0 (Type integers or decimals. Do not round.) Compute the test statistic. 3.95 (Round to two decimal places as needed.) Find the one-tail p-value for the test. Survey data Date 4-Apr 11-Apr Day Wednesday Wednesday Lunch Sales $ 358 Dinner Sales $ Delivery Sales S 789 293 386 665 299 18-Apr Wednesday 426 628 269 25-Apr Wednesday 331 729 253 3-Apr Tuesday 296 648 325 10-Apr Tuesday 308 572 326 17-Apr Tuesday 297 568 358 24-Apr…
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