Answered: In 2019 Silam Hospital hired new nurses…

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Description: In 2019 Silam Hospital hired new nurses from two top universities in the country. After one year, the hospital conducts a simple study to analyse whether there is a significant difference in regard to the performance of the nurses who graduated from

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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In 2019 Silam Hospital hired new nurses from two top universities in the country. After one year, the hospital conducts a simple study to analyse whether there is a significant difference in regard to the performance of the nurses who graduated from the two universities. Considering the maximum
performance score of 100, the following is the result of independent sampling of the nurses’ performance scores. Assume the scores are not normally distributed.

Universities A : 97 69 73 84 76 92 90 88 84 87 93
Universities B : 88 99 65 69 97 84 85 89 91 90 87 91 72

a. What statistical method can be applied for this study? Explain your answer

b. What is the hypothesis of the study?

At a 5% significance level, is the performance between the two sample groups significantly
different?

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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