Suppose the following table illustrates the ages for a number of participants projected to enroll into a clinical trial looking at early onset of dementia. PatientAgeA64B57C58D53E71F54G63 A) Assuming that these participants can be considered to be normally distributed, and that they come from a population with a σ=4.3 years. Calculate a 90% confidence interval for the mean age of the population for which they represent.

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Description: Suppose the following table illustrates the ages for a number of participants projected to enroll into a clinical trial looking at early onset of dementia. PatientAgeA64B57C58D53E71F54G63 A) Assuming that these participants can be considered to be n

The given table represents the ages for a number of participants projected to enrol into a clinical…

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MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

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Suppose the following table illustrates the ages for a number of participants projected to enroll into a clinical trial looking at early onset of dementia.

Patient	Age
A	64
B	57
C	58
D	53
E	71
F	54
G	63

A) Assuming that these participants can be considered to be normally distributed, and that they come from a population with a σ=4.3 years. Calculate a 90% confidence interval for the mean age of the population for which they represent.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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