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Name: 2. for a population of adult males we know that the mean systolic bloo
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Description: 2. for a population of adult males we know that the mean systolic blood pressure is 125 mmhg with a standard deviation of 20. we also know for the sample population that the mean LDL cholestrol is 90mg/dl with a standard deviation of 14. if a man fro

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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2. for a population of adult males we know that the mean systolic blood pressure is 125 mmhg with a standard deviation of 20. we also know for the sample population that the mean LDL cholestrol is 90mg/dl with a standard deviation of 14. if a man from this population is randomly selectred and has a blood pressure of 135mmhg, and a LDL cholestrol of 97mg/dl, is his blood pressure more unusual than his LDL cholestrol? a. yes the blood pressure is more unusual b. no, the LDL cholestrol is more unusual c. the blood pressure and LDL cholestrol are equally unusual d. cannot determine with the data provided. Plz solve and explain. And choose correct option.

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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