2.An environmental researcher took 30 water samples from different areas of a lake. He measured the pH level of each water sample. The standard deviation for the 30 pH levels was about 1.4. What is the best interpretation of the standard deviation? GeoGebra Graphing Calculator a.The entire lake had a pH level that was about 1.4units. b.The pH level of any given water sample was about 1.4 units from the mean. c.The pH level of a typical water sample was about 1.4 units from the mean on average. d.The difference between the minimum and maximum pH levels was about 1.4 units
2.An environmental researcher took 30 water samples from different areas of a lake. He measured the pH level of each water sample. The standard deviation for the 30 pH levels was about 1.4. What is the best interpretation of the standard deviation? GeoGebra Graphing Calculator a.The entire lake had a pH level that was about 1.4units. b.The pH level of any given water sample was about 1.4 units from the mean. c.The pH level of a typical water sample was about 1.4 units from the mean on average. d.The difference between the minimum and maximum pH levels was about 1.4 units
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 1AGP
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2.An environmental researcher took 30 water samples from different areas of a lake. He measured the pH level of each water sample. The standard deviation for the 30 pH levels was about 1.4.
What is the best interpretation of the standard deviation?
GeoGebra Graphing Calculator
a.The entire lake had a pH level that was about 1.4units.
b.The pH level of any given water sample was about 1.4 units from the mean.
c.The pH level of a typical water sample was about 1.4 units from the mean on average.
d.The difference between the minimum and maximum pH levels was about 1.4 units.
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