Answered: Are medical students more motivated…

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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Are medical students more motivated than law students? A randomly selected group from each was administered an attitudes toward life survey, which measures motivation for upward mobility. Scores are summarized below.

State the null and alternative hypotheses to determine whether the mean score for medical students differs from the mean score for law students.

Scores and answer options are in pictures. There are some spanish words so you can translate them if you dont understand. Thanks!!!

Estudiantes de
Estudiantes de
Medicina
Leyes
Tamaño de
muestra
250
100
Promedio
83.5
80.2
Desvío Estandar
11.2
9.2

A. Ho : HM - HL s0 versus H1 :HM - HL > 0
B. Ho : HM - HL z0 versus Hh:HM-HL<O
O C. Ho: XM-XL = 0 versus H1 : XM-XL # 0
%3D
D. Ho : HM - HL =0 versus H1:HM-HL # 0
E. Ninguna de las anteriores

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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