(a) A medical study finds that x = 108.3 and s = 10.8 for the seated systolic blood pressure of the 36 members of one treatment group. What is the standard error of the mean?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.2: Proportions
Problem 47WE
icon
Related questions
icon
Concept explainers
Topic Video
Question

Attached

Writers in some fields often summarize data by giving x and its standard error rather than x and s. The standard error of
the mean x is often abbreviated as SEM.
(a) A medical study finds that x = 108.3 and s 10.8 for the seated systolic blood pressure of the 36 members of
one treatment group. What is the standard error of the mean?
(b) Biologists studying the levels of several compounds in shrimp embryos reported their results in a table, with the
note, "Values are means ± SEM for 9 independent samples." The table entry for the compound ATP was 0.84 ±
0.018. The researchers made 9 measurements of ATP, which had x = 0.84. What was the sample standard
deviation s for these measurements?
Transcribed Image Text:Writers in some fields often summarize data by giving x and its standard error rather than x and s. The standard error of the mean x is often abbreviated as SEM. (a) A medical study finds that x = 108.3 and s 10.8 for the seated systolic blood pressure of the 36 members of one treatment group. What is the standard error of the mean? (b) Biologists studying the levels of several compounds in shrimp embryos reported their results in a table, with the note, "Values are means ± SEM for 9 independent samples." The table entry for the compound ATP was 0.84 ± 0.018. The researchers made 9 measurements of ATP, which had x = 0.84. What was the sample standard deviation s for these measurements?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Angles, Arcs, and Chords and Tangents
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill