a. Perform the appropriate statistical test to determine if there is a difference in the banking preference of these four age groups using the four step process. (Attachment)b. Based on the answer to part A, which error was possibly made and why? Type I or Type II? 1. Southpark Bank wants to determine which banking service is preferred among its customers. They select a simplerandom sample of their customers from four age groups and ask each person if he/she does most of their banking throughthe mobile app, online, or at their local branch. Here are the results:Age GroupUnder 3031-4546-60Over 60TOTALPreferred BankingMobile App252814MethodOnline1810Branch Bank12141725ТОTAL2121

This problem can be solved using chi-square hypothesis test. Given: Under 30 31-45 46-60 Over…

Answered: 1. Southpark Bank wants to determine…

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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a. Perform the appropriate statistical test to determine if there is a difference in the banking preference of these four age groups using the four step process. (Attachment)

b. Based on the answer to part A, which error was possibly made and why? Type I or Type II?

1. Southpark Bank wants to determine which banking service is preferred among its customers. They select a simple
random sample of their customers from four age groups and ask each person if he/she does most of their banking through
the mobile app, online, or at their local branch. Here are the results:
Age Group
Under 30
31-45
46-60
Over 60
TOTAL
Preferred Banking
Mobile App
25
28
14
Method
Online
18
10
Branch Bank
12
14
17
25
ТОTAL
21
21

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