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