The birth weights (in kilograms) of a sample of 166 children are given in the table. Find the mean and standard deviation of the weights. (Round your answers to three decimal places.) kg kg mean standard deviation Weight (kg) Frequency Weight (kg) Frequency 2.0 3 3.5 23 2.3 3.8 22 2.6 26 4.1 16 2.9 25 4.4 11 3.2 26 4.7 5
The birth weights (in kilograms) of a sample of 166 children are given in the table. Find the mean and standard deviation of the weights. (Round your answers to three decimal places.) kg kg mean standard deviation Weight (kg) Frequency Weight (kg) Frequency 2.0 3 3.5 23 2.3 3.8 22 2.6 26 4.1 16 2.9 25 4.4 11 3.2 26 4.7 5
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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
Transcribed Image Text:The birth weights (in kilograms) of a sample of 166 children are given in the table. Find the mean and standard deviation of
the weights. (Round your answers to three decimal places.)
kg
kg
mean
standard deviation
Weight (kg)
Frequency
Weight (kg)
Frequency
2.0
3
3.5
23
2.3
3.8
22
2.6
26
4.1
16
2.9
25
4.4
11
3.2
26
4.7
5

Transcribed Image Text:The table below gives the 2004 votes in favor of the measure "Amend the state constitution to recognize marriage only
between a man and a woman" in states that had it on the ballot. (Round your answers to two decimal places.)
State
% Favoring State
% Favoring
Arkansas
75
North Dakota
73
Georgia
76
Ohio
62
Kentucky
75
Oklahoma
76
Michigan
59
Oregon
57
Mississippi
86
Utah
66
Montana
66
(a) Find the mean of the state percents favoring this measure.
%
(b) Find the standard deviation of the percents.
%
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