Determine if the data provide sufficient evidence to conclude that the mean age at diagnosis of all people with early-onset dementia is differ than 55 years old? Perform hypothesis testing at the 10% significance level and draw conclusion according to critical value approach.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Dementia is the loss of the intellectual and social abilities severe enough to
interfere with judgment, behavior, and daily functioning. A simple random sample
of 14 people with early-onset dementia gave the following data on age at diagnosis,
in years.
60 58 52 58 59 58 51 61 54 59 55 53 44 | 46
Determine if the data provide sufficient evidence to conclude that the mean age at
diagnosis of all people with early-onset dementia is differ than 55 years old?
Perform hypothesis testing at the 10% significance level and draw conclusion
according to critical value approach.
Transcribed Image Text:Dementia is the loss of the intellectual and social abilities severe enough to interfere with judgment, behavior, and daily functioning. A simple random sample of 14 people with early-onset dementia gave the following data on age at diagnosis, in years. 60 58 52 58 59 58 51 61 54 59 55 53 44 | 46 Determine if the data provide sufficient evidence to conclude that the mean age at diagnosis of all people with early-onset dementia is differ than 55 years old? Perform hypothesis testing at the 10% significance level and draw conclusion according to critical value approach.
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