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
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
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