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...

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<br>random sample of their customers from four age groups and ask each person if he/she does most of their banking through<br>the mobile app, online, or at their local branch. Here are the results:<br>Age Group<br>Under 30<br>31-45<br>46-60<br>Over 60<br>TOTAL<br>Preferred Banking<br>Mobile App<br>25<br>28<br>14<br>Method<br>Online<br>18<br>10<br>Branch Bank<br>12<br>14<br>17<br>25<br>ТОTAL<br>21<br>21<br>

Extracted text: 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

Jun 08, 2022

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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...

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