The gas mileages (in miles per gallon) for33cars are shown in the frequency distribution. Approximate the mean of the frequency distribution. Gas Mileage(in miles per gallon)Frequency 25–3013 31–3614 37–422 43–484 The approximate mean of the frequency distribution isnothing.(Round to one decimal place as needed.)

Name: The gas mileages (in miles per gallon) for33cars are shown in the fr
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Description: The gas mileages (in miles per gallon) for33cars are shown in the frequency distribution. Approximate the mean of the frequency distribution. Gas Mileage(in miles per gallon)Frequency 25–3013 31–3614 37–422 43–484 The approximate mean of the

Calculate the following values. Class Frequency (f) Mid value (x) d=x-Ah (h=6) f*d 25 - 30 13…

Answered: The gas mileages (in miles per…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter11: Data Analysis And Displays

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The gas mileages (in miles per gallon) for 33 cars are shown in the frequency distribution. Approximate the mean of the frequency distribution.		Gas Mileage (in miles per gallon)	Frequency
	25–30	13
	31–36	14
	37–42	2
	43–48	4

The approximate mean of the frequency distribution is

nothing.

(Round to one decimal place as needed.)

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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