According to the WHO MONICA Project the mean blood pressure for people in China is 128 mmHg with a standard deviation of 23 mmHg. Blood pressure is normally distributed. Suppose a sample of size 25 is taken. d) Find the mean of the sampling distribution of the sample mean.Put the numeric value in the first box and the correct units in the second box.e) Find the standard deviation of the sampling distribution of the sample mean.Put the numeric value rounded to two decimal places in the first box and the correct units in the secondbox.f) What is the shape of the sampling distribution of the sample mean?Select an answerWhy? Check all that apply:On is at least 30On is less than 30population is normalo is unknownpopulation is not normalOo is knowng) Find the probability that the sample mean blood pressure of the 25 randomly selected people in China isless than 136.9 mmHg.Round final answer to 4 decimal places.DO NOT use the rounded standard deviation from part e in this computation.Use the EXACT value of the standard deviation with the square root. h) Find the probability that the sample mean blood pressure of the 25 randomly selected people in China ismore than 137.32 mmHg.Round final answer to 4 decimal places.DO NOT use the rounded standard deviation from part e in this computation.Use the EXACT value of the standard deviation with the square root.i) Is a mean blood pressure of 137.32 mmHg unusually high for 25 randomly selected people in China?Select an answerj) If you found a mean blood pressure for a sample of 25 people in China as high as 137.32 mmHg, whatmight you conclude?Select an answer

The mean blood pressure for people in China, The standard deviation, The sample size, “Since you…

Answered: According to the WHO MONICA Project the…

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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According to the WHO MONICA Project the mean blood pressure for people in China is 128 mmHg with a standard deviation of 23 mmHg. Blood pressure is normally distributed. Suppose a sample of size 25 is taken.

d) Find the mean of the sampling distribution of the sample mean.
Put the numeric value in the first box and the correct units in the second box.
e) Find the standard deviation of the sampling distribution of the sample mean.
Put the numeric value rounded to two decimal places in the first box and the correct units in the second
box.
f) What is the shape of the sampling distribution of the sample mean?
Select an answer
Why? Check all that apply:
On is at least 30
On is less than 30
population is normal
o is unknown
population is not normal
Oo is known
g) Find the probability that the sample mean blood pressure of the 25 randomly selected people in China is
less than 136.9 mmHg.
Round final answer to 4 decimal places.
DO NOT use the rounded standard deviation from part e in this computation.
Use the EXACT value of the standard deviation with the square root.

h) Find the probability that the sample mean blood pressure of the 25 randomly selected people in China is
more than 137.32 mmHg.
Round final answer to 4 decimal places.
DO NOT use the rounded standard deviation from part e in this computation.
Use the EXACT value of the standard deviation with the square root.
i) Is a mean blood pressure of 137.32 mmHg unusually high for 25 randomly selected people in China?
Select an answer
j) If you found a mean blood pressure for a sample of 25 people in China as high as 137.32 mmHg, what
might you conclude?
Select an answer

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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