Three subparts, so I believe all can be answered. For Part C, the blanks are: (very close to / very different from), (positively skewed / roughly symmetric / negatively skewed), and (seems / does not seem). (c) The distribution of plasma-aldosterone concentration in 53 Caucasian and 46 African American children is shown in the figure below.Plasma-aldosterone concentrations in 53 Caucasian and 46 African Americanchildren. Values within the shaded area were undetectable (< 50 pmol/L). Thesolid horizontal lines indicate the mean values, and the broken horizontal linesindicate the mean ± se. The concept of standard error (se) is discussed in Chapter6.1200110010009008007006005004003002001000CaucasiansAfrican Americans iDoes the assumption of normality seem reasonable? Why or why not? (Hint: Qualitatively compare the observed number of children who have levels ≤ 300 pmol/L with the expected number in each group under the assumption of normality. Give your answers in percent.)In the sample of African American children,% had plasma-aldosterone concentrations ≤ 300 pmol/L. In the sample of Caucasian children,% had plasma-aldosterone concentrations ≤ 300 pmol/L. These sample percentages are ---Select---the hypotheticalleads us to believe the assumption of normality ---Select---reasonable.percentages we obtained in parts (a) and (b) by assuming normality. Therefore, the sample percentages combined with the fact that both sets of sample data are ---Select---Plasma-aldosterone concentration (pmol/liter)H HypertensionWell-known racial differences in blood pressure exist between Caucasian and African American adults. These differences generally do not exist between Caucasian and African American children. Because aldosterone levels have been related to blood-pressurelevels in adults in previous research, an investigation was performed to look at aldosterone levels among African American children and Caucasian children. (Assume that plasma-aldosterone levels can be measured exactly and no continuity correction isnecessary. Round your answers to two decimal places.)USE SALT(a) If the mean plasma-aldosterone level in African American children was 236 pmol/L with a standard deviation of 213 pmol/L, then what percentage of African American children have levels ≤ 300 pmol/L if normality is assumed?%(b) If the mean plasma-aldosterone level in Caucasian children is 397 pmol/L with standard deviation of 252 pmol/L, then what percentage of Caucasian children have levels ≤ 300 pmol/L if normality is assumed?%

Given: African Americans Population mean = 236 Population standard deviation = 213 Caucasian…

Well-known racial differences in blood pressure exist between Caucasian and African American adults. These differences generally do not exist between Caucasian and African American children. Because aldosterone levels have been related to blood-pressure evels in adults in previous research, an investigation was performed to look at aldosterone levels among African American children and Caucasian children. (Assume that plasma-aldosterone levels can be measured exactly and no continuity correction is necessary. Round your answers to two decimal places.) USE SALT (a) If the mean plasma-aldosterone level in African American children was 236 pmol/L with a standard deviation of 213 pmol/L, then what percentage of African American children have levels s 300 pmol/L if normality is assumed?

Well-known racial differences in blood pressure exist between Caucasian and African American adults. These differences generally do not exist between Caucasian and African American children. Because aldosterone levels have been related to blood-pressure evels in adults in previous research, an investigation was performed to look at aldosterone levels among African American children and Caucasian children. (Assume that plasma-aldosterone levels can be measured exactly and no continuity correction is necessary. Round your answers to two decimal places.) USE SALT (a) If the mean plasma-aldosterone level in African American children was 236 pmol/L with a standard deviation of 213 pmol/L, then what percentage of African American children have levels s 300 pmol/L if normality is assumed?

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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Question

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Three subparts, so I believe all can be answered. For Part C, the blanks are: (very close to / very different from), (positively skewed / roughly symmetric / negatively skewed), and (seems / does not seem).

(c) The distribution of plasma-aldosterone concentration in 53 Caucasian and 46 African American children is shown in the figure below.
Plasma-aldosterone concentrations in 53 Caucasian and 46 African American
children. Values within the shaded area were undetectable (< 50 pmol/L). The
solid horizontal lines indicate the mean values, and the broken horizontal lines
indicate the mean ± se. The concept of standard error (se) is discussed in Chapter
6.
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
Caucasians
African Americans i
Does the assumption of normality seem reasonable? Why or why not? (Hint: Qualitatively compare the observed number of children who have levels ≤ 300 pmol/L with the expected number in each group under the assumption of normality. Give your answers in percent.)
In the sample of African American children,
% had plasma-aldosterone concentrations ≤ 300 pmol/L. In the sample of Caucasian children,
% had plasma-aldosterone concentrations ≤ 300 pmol/L. These sample percentages are ---Select---
the hypothetical
leads us to believe the assumption of normality ---Select---
reasonable.
percentages we obtained in parts (a) and (b) by assuming normality. Therefore, the sample percentages combined with the fact that both sets of sample data are ---Select---
Plasma-aldosterone concentration (pmol/liter)
H

Hypertension
Well-known racial differences in blood pressure exist between Caucasian and African American adults. These differences generally do not exist between Caucasian and African American children. Because aldosterone levels have been related to blood-pressure
levels in adults in previous research, an investigation was performed to look at aldosterone levels among African American children and Caucasian children. (Assume that plasma-aldosterone levels can be measured exactly and no continuity correction is
necessary. Round your answers to two decimal places.)
USE SALT
(a) If the mean plasma-aldosterone level in African American children was 236 pmol/L with a standard deviation of 213 pmol/L, then what percentage of African American children have levels ≤ 300 pmol/L if normality is assumed?
%
(b) If the mean plasma-aldosterone level in Caucasian children is 397 pmol/L with standard deviation of 252 pmol/L, then what percentage of Caucasian children have levels ≤ 300 pmol/L if normality is assumed?
%

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