The table below lists the areas (in square kilometers) of all 19 counties in western Washington.countyareaClallam4520Clark1626Cowlitz2949Grays Harbor 4966Island 540Jefferson4685King5507Kitsap1026Lewis6236Mason2489Pacific2524Pierce4340San Juan 453Skagit4494Skamania4290Snohomish5414Thurston1883Wahkiakum 684Whatcom5491Compute the mean area. Round your answer to the nearest 0.1 km2.mean = km2

4520 1626 2949 4966 540 4685 5507 1026 6236 2489 2524 4340 453 4494 4290 5414 1883 684 5491 Sample…

Answered: The table below lists the areas (in…

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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The table below lists the areas (in square kilometers) of all 19 counties in western Washington.

county	area
Clallam	4520
Clark	1626
Cowlitz	2949
Grays Harbor	4966
Island	540
Jefferson	4685
King	5507
Kitsap	1026
Lewis	6236
Mason	2489
Pacific	2524
Pierce	4340
San Juan	453
Skagit	4494
Skamania	4290
Snohomish	5414
Thurston	1883
Wahkiakum	684
Whatcom	5491

Compute the mean area. Round your answer to the nearest 0.1 km².

mean = km²

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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