The other part of the question is:Determine 95% prediction interval for the time required by the customer described in part (c). Enter your answer in xx.xx format. Round the value to two decimals and use leading and trailing zero to exactly match the format. Include the negative sign (minus sign) if the answer is negative. Do not include plus sign in your response. For example, if the answer is +6.1563 then enter 06.16, if the answer is -0.54765 then enter -00.55 and if the answer is 6.1 then enter 06.10The upper limit of the prediction interval is: The lower limit of the prediction interval is: Determine 99% confidence interval for the mean time required by customers similar to one described in part (c). Enter your answer in xx.xx format. Round the value to two decimals and use leading and trailing zero to exactly match the format. Include the negative sign (minus sign) if the answer is negative. Do not include plus sign in your response. For example, if the answer is +6.1563 then enter 06.16, if the answer is -0.54765 then enter -00.55 and if the answer is 6.1 then enter 06.10The upper limit of the confidence interval is: The lower limit of the confidence interval is: What is the coefficient of determination?Enter your answer in percentage and round it to the nearest integer. Do not include % sign in your answer.Your answer is: With 95% confidence level (0.05 significance level), does the sample data suggest that the age of customer is a significant variable in explaining the time the customer spends at the ATM machine?Enter “Y” if data suggests that the variable is significant and enter “N” if data does not suggest that the variable is significant.Your answer (Y/N) is: With 95% confidence level (0.05 significance level), does the sample data suggest that the customer gender is a significant variable in explaining the time the customer spends at the ATM machine?Enter “Y” if data suggests that the variable is significant and enter “N” if data does not suggest that the variable is significant.Your answer (Y/N) is: Constant/intercept (bo) =Coefficient/slope of Age (X1) (b1) =Coefficient/slope of Gender (X2) (b2) =Considering the regression coefficients (slope) for age and gender, which of the following statements is correct?Enter the statement number 1, 2, or 3 corresponding to the correct statement in the answer text box below.Among the male customers, the younger customers on the average spend more time at the ATM machine.The male customers on the average spend less time at the ATM machine than the female customers..Among the customers with the same age, the male customers on the average spend less time at the ATM machine than thefemale customers.Your answer (1/2/3) is:I What is the estimated time required by a female customer who is 45 years of age?Enter your answer in xx.xx format. Round the value to two decimals and use leading and trailing zero to exactly match theformat. Include the negative sign (minus sign) if the answer is negative. Do not include plus sign in your response. For example, ifthe answer is +6.1563 then enter 06.16, if the answer is -0.54765 then enter -00.55 and if the answer is 6.1 then enter 06.10 All manual computations/arithmetic must be carried to four (4) decimalsL The following data show a sample of Automatic Teller Machine (ATM) customers; time (seconds) to complete their transaction,estimated age, and gender (1= male, 0 = female).Time767076426657536781767075734672AgeGender4742463526303366456447274911111Test 3 problem 3A data file.xlsx1. Determine the multiple regression equation for estimating transaction time based on age and gender of the customer.Enter the regression coefficients in xx.xxx format. Round the value to three decimals and use leading and trailing zero to exactly match theformat. Include the negative sign (minus sign) if the coefficient is negative. Do not include plus sign in your response. For example, if thecoefficient is +6.1563 then enter 06.156 as your answer, if the coefficient is -0.54765 then enter -00.548 and if the answer is -1.6435 then enter-01.644Ý=bo+bjX1+b2X2

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MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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The other part of the question is: Determine 95% prediction interval for the time required by the customer described in part (c). Enter your answer in xx.xx format. Round the value to two decimals and use leading and trailing zero to exactly match the format. Include the negative sign (minus sign) if the answer is negative. Do not include plus sign in your response. For example, if the answer is +6.1563 then enter 06.16, if the answer is -0.54765 then enter -00.55 and if the answer is 6.1 then enter 06.10 The upper limit of the prediction interval is: The lower limit of the prediction interval is: Determine 99% confidence interval for the mean time required by customers similar to one described in part (c). Enter your answer in xx.xx format. Round the value to two decimals and use leading and trailing zero to exactly match the format. Include the negative sign (minus sign) if the answer is negative. Do not include plus sign in your response. For example, if the answer is +6.1563 then enter 06.16, if the answer is -0.54765 then enter -00.55 and if the answer is 6.1 then enter 06.10 The upper limit of the confidence interval is: The lower limit of the confidence interval is: What is the coefficient of determination? Enter your answer in percentage and round it to the nearest integer. Do not include % sign in your answer. Your answer is: With 95% confidence level (0.05 significance level), does the sample data suggest that the age of customer is a significant variable in explaining the time the customer spends at the ATM machine? Enter “Y” if data suggests that the variable is significant and enter “N” if data does not suggest that the variable is significant. Your answer (Y/N) is: With 95% confidence level (0.05 significance level), does the sample data suggest that the customer gender is a significant variable in explaining the time the customer spends at the ATM machine? Enter “Y” if data suggests that the variable is significant and enter “N” if data does not suggest that the variable is significant. Your answer (Y/N) is:

Constant/intercept (bo) =
Coefficient/slope of Age (X1) (b1) =
Coefficient/slope of Gender (X2) (b2) =
Considering the regression coefficients (slope) for age and gender, which of the following statements is correct?
Enter the statement number 1, 2, or 3 corresponding to the correct statement in the answer text box below.
Among the male customers, the younger customers on the average spend more time at the ATM machine.
The male customers on the average spend less time at the ATM machine than the female customers.
.Among the customers with the same age, the male customers on the average spend less time at the ATM machine than the
female customers.
Your answer (1/2/3) is:
I What is the estimated time required by a female customer who is 45 years of age?
Enter your answer in xx.xx format. Round the value to two decimals and use leading and trailing zero to exactly match the
format. Include the negative sign (minus sign) if the answer is negative. Do not include plus sign in your response. For example, if
the answer is +6.1563 then enter 06.16, if the answer is -0.54765 then enter -00.55 and if the answer is 6.1 then enter 06.10

All manual computations/arithmetic must be carried to four (4) decimals
L The following data show a sample of Automatic Teller Machine (ATM) customers; time (seconds) to complete their transaction,
estimated age, and gender (1= male, 0 = female).
Time
76
70
76
42
66
57
53
67
81
76
70
75
73
46
72
Age
Gender
47
42
46
35
26
30
33
66
45
64
47
27
49
1
1
1
1
1
Test 3 problem 3A data file.xlsx
1. Determine the multiple regression equation for estimating transaction time based on age and gender of the customer.
Enter the regression coefficients in xx.xxx format. Round the value to three decimals and use leading and trailing zero to exactly match the
format. Include the negative sign (minus sign) if the coefficient is negative. Do not include plus sign in your response. For example, if the
coefficient is +6.1563 then enter 06.156 as your answer, if the coefficient is -0.54765 then enter -00.548 and if the answer is -1.6435 then enter
-01.644
Ý=bo+bjX1+b2X2

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