Math Problem Statement
Listed below are the measured radiation rates
left parenthesis in StartFraction Upper W Over kg EndFraction right parenthesisin Wkg
corresponding to these cell phones:
LG Upper G 3LG G3,
HTC Desire 310HTC Desire 310,
iPhone Upper XiPhone X,
iPhone 7iPhone 7,
Google PixelGoogle Pixel,
and
Samsung Galaxy Upper S 8Samsung Galaxy S8.
The data are from the Federal Communications Commission. Find the range, variance, and standard deviation for the given sample data. Are any of the resulting statistics helpful in selecting a cell phone for purchase?
0.480.48
0.650.65
0.970.97
1.381.38
0.930.93
1.521.52 Question content area bottom
Part 1
The range is
enter your response here
▼ StartFraction Upper W squared Over kg EndFraction .W2kg.
StartFraction Upper W Over kg EndFraction .Wkg.
StartRoot StartFraction Upper W Over kg EndFraction EndRoot .Wkg.
left parenthesis StartFraction Upper W Over kg EndFraction right parenthesis squared .Wkg2.
(Type an integer or decimal rounded to three decimal places as needed.)
Solution
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Math Problem Analysis
Mathematical Concepts
Descriptive Statistics
Range
Variance
Standard Deviation
Formulas
Range = Max value - Min value
Variance (s^2) = Σ(x_i - x̄)^2 / (n - 1)
Standard Deviation (s) = √Variance
Theorems
-
Suitable Grade Level
Grades 9-12
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