Determine whether the given value is a statistic or a parameter. A homeowner measured the voltage supplied to his homeon 23 days of a given month,and the average (mean) value is143.1volts. Part 1Choose the correct answer below. A.The given value is astatisticfor themonthbecause the data collected represent apopulation. B.The given value is aparameterfor themonthbecause the data collected represent asample. C.The given value is aparameterfor themonthbecause the data collected represent apopulation. D.The given value is astatisticfor themonthbecause the data collected represent asample.

Answered: Determine whether the given value is a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Determine whether the given value is a statistic or a parameter.

A homeowner measured the voltage supplied to his home

on 23 days of a given month,

and the average (mean) value is

143.1

volts.

Part 1

Choose the correct answer below.

The given value is a

statistic

for the

month

because the data collected represent a

population.

The given value is a

parameter

for the

month

because the data collected represent a

sample.

The given value is a

parameter

for the

month

because the data collected represent a

population.

The given value is a

statistic

for the

month

because the data collected represent a

sample.

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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