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In recent times, with mortgage rates at low levels, financial institutions have had to provide more customer convenience. One of the innovations offered by Coastal National Bank and Trust is online entry of mortgage applications. Listed are the times, in minutes, for eight customers to complete the application process for a 15-year fixed-rate mortgage and the times for nine customers to complete an application for a 30-year fixed-rate mortgage.

In recent times, with mortgage rates at low levels, financial institutions have had to provide more customer convenience. One of the innovations offered by Coastal National Bank and Trust is online entry of mortgage applications. Listed are the times, in minutes, for eight customers to complete the application process for a 15-year fixed-rate mortgage and the times for nine customers to complete an application for a 30-year fixed-rate mortgage.

MATLAB: An Introduction with Applications
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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C. What is the wilcoxon rank- sum value, at the 0.05 significance level? (Round your answer up to 2 decimal places) z = *the answer I had got was “16” it was wrong*
In recent times, with mortgage rates at low levels, financial institutions have had to provide more customer convenience. One of the innovations offered by Coastal National Bank and Trust is online entry of mortgage applications. Listed are the times, in minutes, for eight customers to complete the application process for a 15-year fixed-rate mortgage and the times for nine customers to complete an application for a 30-year fixed-rate mortgage. 15 years, fixed rate 30 years, fixed rate 41 36 42 39 36 48 49 38 21 27 36 20 19 21 39 24 22 E Click here for the Excel Data File Do not assume the distribution times follow a normal distribution for either group. a. State the decision rule. Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answer to 3 decimal places.) Hg: The distributions are the same. H: The 30-year distribution is smaller or to the left. X Answer Is complete but not entirely correct. Reject Ho if z> 2.660 X
Transcribed Image Text:In recent times, with mortgage rates at low levels, financial institutions have had to provide more customer convenience. One of the innovations offered by Coastal National Bank and Trust is online entry of mortgage applications. Listed are the times, in minutes, for eight customers to complete the application process for a 15-year fixed-rate mortgage and the times for nine customers to complete an application for a 30-year fixed-rate mortgage. 15 years, fixed rate 30 years, fixed rate 41 36 42 39 36 48 49 38 21 27 36 20 19 21 39 24 22 E Click here for the Excel Data File Do not assume the distribution times follow a normal distribution for either group. a. State the decision rule. Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answer to 3 decimal places.) Hg: The distributions are the same. H: The 30-year distribution is smaller or to the left. X Answer Is complete but not entirely correct. Reject Ho if z> 2.660 X
b. Complete the following table. (Round your answers to 1 decimal places.) X Answer Is not complete. 30 Year 15 Year Time Rank Time Rank 21 3.0 X 41 4.0 27 6.0 X 36 1.0 X 36 7.0 X 42 5.0 2.0 39 3.0 X 20 19 1.0 36 1.0 3.0 48 6.0X 21 39 8.0 X 49 2.0 24 5.0 38 22 4.0 39.0 22.0
Transcribed Image Text:b. Complete the following table. (Round your answers to 1 decimal places.) X Answer Is not complete. 30 Year 15 Year Time Rank Time Rank 21 3.0 X 41 4.0 27 6.0 X 36 1.0 X 36 7.0 X 42 5.0 2.0 39 3.0 X 20 19 1.0 36 1.0 3.0 48 6.0X 21 39 8.0 X 49 2.0 24 5.0 38 22 4.0 39.0 22.0
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