What is the mean difference in blood lead levels for females compared to males? O 0.7 micrograms/dL -0.7 micrograms/dL 0.45 micrograms/dL O -0.45 micrograms/dL
What is the mean difference in blood lead levels for females compared to males? O 0.7 micrograms/dL -0.7 micrograms/dL 0.45 micrograms/dL O -0.45 micrograms/dL
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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A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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Transcribed Image Text:3. Data from the year 2012 National Health and Nutrition Examination Survey (NHANES) survey includes laboratory
measurements on a random sample of more than four-thousand 18-65 year old persons in the United States. The
following boxplots display the distribution of blood lead levels (mg/dL) for this sample, separately for males and females.
The accompanying tables display summary statistics of the sample values.
Blood Lead Levels by Biological Sex
NHANES Laboratory Data, 2012
Females (n=2,128)
Males (n=1,892)
20
ĩ: 1.27
s: 1.16
Range: 0.18 – 15.2
ĩ: 1.97
s: 1.61
Range: 0.18 -22.3
Percentiles:
Percentiles:
5th: 0.37
25th: 0.62
5h: 0.60
25th: 1.00
50h: 0.95
50h: 1.60
75th: 2.4
75th: 1.5
95: 3.10
95th: 4.6
Blood Lead Level (micrograms/dl)
15
O O O OD
D CO OD O 0
Transcribed Image Text:Female
Male
What is the mean difference in blood lead levels for females compared to males?
0.7 micrograms/dL
-0.7 micrograms/dL
0.45 micrograms/dL
-0.45 micrograms/dL
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