In experiments in chemistry, the theoretical outcome can often be calculated and is usually given as a percentage. The difference between the actual cutcome and the theoretical outcome is called the experimental error. Dr. Wantanabe is being reviewed for a promotion. She has been asked to provide information about the experimental error for her last 15 experiments as part of the revieu She is trying to decide whether she will show them the middle quartile or the mean of the following percents. \[ 1 \%, 24,2 \%, 6 \%, 5 \%, 2 \%, 6 \%, 14 \%, 16 \%, 2 \%, 1 \%, 146,5 \%, 3 \%, 5 \% \] (a) What is the middie quartile of the experimental erros? The middie quartise is (b) What is the mean of the experimental errors? (tlound vour an wer to four decimal places.) The mesn is (c) Should she point out the middie quartile or the mean to the revicw commitice? The middie quartile; the date is right shewed. The mean; the data is left skrwed. The middie quartile; the data is roughil symmetric. The mesn; the data is roughty symmetric. In experiments in chemistry, the theoretical outcome can often be calculated and is usually given as a percentage. The difference between the actual outcome and thetheoretical outcome is called the experimental error.Dr. Wantanabe is being reviewed for a promotion. She has been asked to provide information about the experimental error for her last 15 experiments as part of the reviewShe is trying to decide whether she will show them the middle quartile or the mean of the following percents.1%, 2%, 2%, 6%, 5%, 2%, 8%, 14%, 16%, 2%, 1%, 1%, 5%, 3%, 5%LA USE SALT(a) What is the middle quartile of the experimental errors?The middle quartile is [(b) What is the mean of the experimental errors? (Round your answer to four decimal places.)The mean is(c) Should she point out the middle quartile or the mean to the review committee?The middle quartile; the data is right skewed.The mean; the data is left skewed. AO The middle quartile; the data is roughly symmetricO The mean; the data is roughly symmetric.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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In experiments in chemistry, the theoretical outcome can often be calculated and is usually given as a percentage. The difference between the actual cutcome and the theoretical outcome is called the experimental error. Dr. Wantanabe is being reviewed for a promotion. She has been asked to provide information about the experimental error for her last 15 experiments as part of the revieu She is trying to decide whether she will show them the middle quartile or the mean of the following percents. \[ 1 \%, 24,2 \%, 6 \%, 5 \%, 2 \%, 6 \%, 14 \%, 16 \%, 2 \%, 1 \%, 146,5 \%, 3 \%, 5 \% \] (a) What is the middie quartile of the experimental erros? The middie quartise is (b) What is the mean of the experimental errors? (tlound vour an wer to four decimal places.) The mesn is (c) Should she point out the middie quartile or the mean to the revicw commitice? The middie quartile; the date is right shewed. The mean; the data is left skrwed. The middie quartile; the data is roughil symmetric. The mesn; the data is roughty symmetric.

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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