The SAT scores of students are normally distributed with a mean of 950 and a standard deviation of 200.Q21 Question 21What are the minimum and the maximum values of the middle 87.4% of thescores? ROUND YOUR ANSWER TO THE NEAREST INTEGER. ENTER THEMINIMUM VALUE IN THE FIRST BOX AND THE MAXIMUM IN THE SECONDBOX.

Answered: Question 21* What are the minimum and…

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 SAT scores of students are normally distributed with a mean of 950 and a standard deviation of 200.

Q21

Question 21
What are the minimum and the maximum values of the middle 87.4% of the
scores? ROUND YOUR ANSWER TO THE NEAREST INTEGER. ENTER THE
MINIMUM VALUE IN THE FIRST BOX AND THE MAXIMUM IN THE SECOND
BOX.

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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