HELP ASAP. info is given in the pic.21) Provide a 95% confidence interval on the average delivery time for all shipments witha Distance of 675 miles.A) 2.97; 11.67B) 3.73; 10.91C) 6.22; 8.42D) 6.41: 8.23E) 0; 15.6722) To determine if shipment 2 is an influential observation you test the hypothesis:Ho: Shipment 2 is okversusHa: Shipment 2 has too much leverage.What is the test statistic (i.e., the leverage) for this hypothesis test?A) 0.111B) 0.3C) 4.068D) 0.161E) 0.27623) What proportion of the shipment to shipment variability in Time to deliver a shipmentis explained by the linear relationship with Distance?A) 0.4790B) 0.6921C) 0.0007D) 0.0214E) 0.4501Use this information and the excel output above for questions 24 and 25) below:The operations manager would like to determine if the increase in delivery time for eachaddition mile of distance is less than 0.03. To do this, the operations manager tests thehypothesis Ho: Boistance ≥ 0.03 versus Ha: Distance < 0.03 using a = 0.05.24) What is the value of r, the test statistic?A) 1.62B) 2.62C) 2.35D) -10.53E) -1.6225) What is the critical value for the hypothesis test?A) -2.878B) -1.734C) -2.101D) -2.552E) -1.65 Use the following scenario when answeringquestions 21)->25) on this page and the next page.The operations manager of a trucking company is studyingthe relationship between the distance a shipment must traveland the delivery time (Time), in days, it takes the shipmentto arrive at its destination. The manager takes a randomsample of 20 recent shipments (Time and Distanceworksheet). The data, along with summary statistics, appearin the table to the right. The operations manager uses excelto fit a simple regression model using Distance as theindependent or X variable and Time as the dependent or Yvariable. The excel output appears below.Regression StatisticsMultiple RR SquareAdjusted R SquareStandard ErrorObservationsANOVARegressionResidualTotalInterceptD: Distance0.69210.47900.45012.004420df11819SS66.572.3138.8Coefficients Standard Error-7.12640.02143.84280.0053MS66.54.0t Stat-1.85454.0681F16.5P-value0.08010.0007Shipment D: Distance1656853646234567891011121314151617181920AverageStd devSumSignificance F0.0007783610841785639762762862679835607665647685720652828725.987.514517Time5146118PARANORMANDO BNG109910975133871086108.42.7168(D-Dbar)^24,879.016,167.16,376.03,266.113,421.213,259.53,498.77,542.91,306.81,306.818,536.82,194.911,913.714,125.33,702.76,217.31,668.734.25,453.810,434.67,265.35,586.5145,306.6

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Related questions

Question

HELP ASAP. info is given in the pic.

21) Provide a 95% confidence interval on the average delivery time for all shipments with
a Distance of 675 miles.
A) 2.97; 11.67
B) 3.73; 10.91
C) 6.22; 8.42
D) 6.41: 8.23
E) 0; 15.67

22) To determine if shipment 2 is an influential observation you test the hypothesis:
Ho: Shipment 2 is ok
versus
Ha: Shipment 2 has too much leverage.
What is the test statistic (i.e., the leverage) for this hypothesis test?
A) 0.111
B) 0.3
C) 4.068
D) 0.161
E) 0.276

23) What proportion of the shipment to shipment variability in Time to deliver a shipment
is explained by the linear relationship with Distance?
A) 0.4790
B) 0.6921
C) 0.0007
D) 0.0214
E) 0.4501

Use this information and the excel output above for questions 24 and 25) below:
The operations manager would like to determine if the increase in delivery time for each
addition mile of distance is less than 0.03. To do this, the operations manager tests the
hypothesis Ho: Boistance ≥ 0.03 versus Ha: Distance < 0.03 using a = 0.05.
24) What is the value of r, the test statistic?
A) 1.62
B) 2.62
C) 2.35
D) -10.53
E) -1.62
25) What is the critical value for the hypothesis test?
A) -2.878
B) -1.734
C) -2.101
D) -2.552
E) -1.65