b) An academic Professor conducted a research aimed at exploring the experience and challenges faced by people who are diagnosed with dementia and their families. If the professor perform a hypothesis test to decide whether the mean age of all people diagnosis with initial occurrence of dementia is less than 55 years old. Based on the statement, explain, what each of the following would mean. i) Type I error. II) i) Type Il error. Correct decision.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Question
Number...B
-12
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Font
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AA
C)
31
▾
ORDS DE ENGLISH (SOUTH AFRICA)
here to search
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TOTOO i pare ca
b)
An academic Professor conducted a research aimed at exploring the experience and
challenges faced by people who are diagnosed with dementia and their families. If the
professor perform a hypothesis test to decide whether the mean age of all people diagnosis
with initial occurrence of dementia is less than 55 years old. Based on the statement, explain,
what each of the following would mean.
i) Type I error.
11) Correct decision.
i) Type II error.
Suppose that the results of carrying out the hypothesis test lead to non-rejection of the null
hypothesis. Classify that conclusion by error type or as a correct decision if in fact the mean
age at diagnosis of all people with early-onset dementia is less than 55 years old. Suppose
that the manufacturer of a new COVID-19 vaccine in South Africa wants to test the null
31
G
a
Styles
(Q),
Title
GE 20°C
ERA
19
#0
Transcribed Image Text:-12 U - abc X₂ X² Font Α Α΄ Aa - AA C) 31 ▾ ORDS DE ENGLISH (SOUTH AFRICA) here to search G www 行行 O ¶ AaBbCc AaBbCc AaBbC AaBbCct AaB AaBbcct 1 Normal 1 No Spac... Heading 1 Heading 2 Subtitle Paragraph TOTOO i pare ca b) An academic Professor conducted a research aimed at exploring the experience and challenges faced by people who are diagnosed with dementia and their families. If the professor perform a hypothesis test to decide whether the mean age of all people diagnosis with initial occurrence of dementia is less than 55 years old. Based on the statement, explain, what each of the following would mean. i) Type I error. 11) Correct decision. i) Type II error. Suppose that the results of carrying out the hypothesis test lead to non-rejection of the null hypothesis. Classify that conclusion by error type or as a correct decision if in fact the mean age at diagnosis of all people with early-onset dementia is less than 55 years old. Suppose that the manufacturer of a new COVID-19 vaccine in South Africa wants to test the null 31 G a Styles (Q), Title GE 20°C ERA 19 #0
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