For this problem all manual computations/arithmetic must be carried to at least three decimals.The manager of the Inlet Square Mall wants to estimate the mean amount spent per shopping visit by customers. A sample of 20 customers reveals the following amount spent. 51.1645.1249.9254.4525.7844.8655.6641.0656.6450.5953.8248.9463.5365.6952.4764.4653.3555.8859.9446.68Final Problem 1C data.xlsx Assuming normality, what is the 80% confidence interval estimate for the average amount spent per shopping visit by customers?Round your answer to the nearest integer. The lower confidence interval limit (LL) = The upper confidence interval limit (UL) = Based on the sample data and with 80% confidence, would it be reasonable to conclude that the average amount spent by the customers visiting the mall is $52. Enter “Y” if it is reasonable and enter “N” if it is not.Your answer is:

A confidence interval is a type of estimate computed from the statistics of the observed data. This…

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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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For this problem all manual computations/arithmetic must be carried to at least three decimals.

The manager of the Inlet Square Mall wants to estimate the mean amount spent per shopping visit by customers. A sample of 20 customers reveals the following amount spent.

51.16	45.12	49.92	54.45	25.78
44.86	55.66	41.06	56.64	50.59
53.82	48.94	63.53	65.69	52.47
64.46	53.35	55.88	59.94	46.68

Final Problem 1C data.xlsx

Assuming normality, what is the 80% confidence interval estimate for the average amount spent per shopping visit by customers?

Round your answer to the nearest integer.

The lower confidence interval limit (LL) =

The upper confidence interval limit (UL) =

Based on the sample data and with 80% confidence, would it be reasonable to conclude that the average amount spent by the customers visiting the mall is $52.

Enter “Y” if it is reasonable and enter “N” if it is not.

Your answer is:

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