What statistical procedure could be applied to determine whether these regional differences are statistically significant?
What statistical procedure could be applied to determine whether these regional differences are statistically significant?
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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![人工知能を使用せず、 すべてを段階的にデジタル形式で解決してください。
ありがとう
SOLVE STEP BY STEP IN DIGITAL FORMAT
DON'T USE CHATGPT
To study regional differences related to helpfulness toward strangers, a researcher dropped 400 keys (all of
which had been marked and marked with a return address) around mailboxes in the northern, southern, eastern,
and southern regions. west of a city. The number of keys returned per region (as an indicator of helpfulness) is
indicated below: Application of statistical methods to research problems
Returned
Not returned
North
f
55
45
100
Region
South
f
69
31
100
East
f
82
18
100
West
f
61
39
100
What statistical procedure could be applied to determine whether these regional differences are statistically
significant?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa8d09800-14a2-4a01-924b-29e24ede176e%2Fba454721-d15e-4089-8832-8180bd01b623%2Fob9ioe_processed.jpeg&w=3840&q=75)
Transcribed Image Text:人工知能を使用せず、 すべてを段階的にデジタル形式で解決してください。
ありがとう
SOLVE STEP BY STEP IN DIGITAL FORMAT
DON'T USE CHATGPT
To study regional differences related to helpfulness toward strangers, a researcher dropped 400 keys (all of
which had been marked and marked with a return address) around mailboxes in the northern, southern, eastern,
and southern regions. west of a city. The number of keys returned per region (as an indicator of helpfulness) is
indicated below: Application of statistical methods to research problems
Returned
Not returned
North
f
55
45
100
Region
South
f
69
31
100
East
f
82
18
100
West
f
61
39
100
What statistical procedure could be applied to determine whether these regional differences are statistically
significant?
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