112, 128, 108, 129, 125, 153, 155, 132, 137 a) What is s (standard deviation)? b) What is n (sample size)? c) Calculate the standard error of the mean d) Calculate an approximate 95% confidence interval for the mean. S = Ý = SE = Σ(Yi - Y)² n-1 Σ=1 Υἱ n S E = Σ(Y²)-ny² n-1
112, 128, 108, 129, 125, 153, 155, 132, 137 a) What is s (standard deviation)? b) What is n (sample size)? c) Calculate the standard error of the mean d) Calculate an approximate 95% confidence interval for the mean. S = Ý = SE = Σ(Yi - Y)² n-1 Σ=1 Υἱ n S E = Σ(Y²)-ny² n-1
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1. Systolic blood pressure was measured in units of mm Hg during preventative health examination in Dallas, Texas. Here are the measurements for a subset of these patients:
112, 128, 108, 129, 125, 153, 155, 132, 137
a)What is s, the standard deviation of these data?
b)What is n, the
c)Calculate the standard error of the mean
d)Using the 2SE rule of thumb, calculate an approximate 95% confidence interval for the mean.
Transcribed Image Text:112, 128, 108, 129, 125, 153, 155, 132, 137
a) What is s (standard deviation)?
b) What is n (sample size)?
c) Calculate the standard error of the mean
d) Calculate an approximate 95% confidence interval for
the mean.
S =
Ý
=
SE =
Σ(Yi - Y)²
n-1
Σ=1 Υἱ
n
S
E
=
Σ(Y²)-ny²
n-1
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