Answered: The computer science department is…

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 computer science department is making a new recruitment poster for computer science majors and would like to include information about the average salary of a software developer on the Treasure Coast estimate the average salary of a software developer, someone from the department collected a random sample of 10 software developersTheir salaries are listed belowAssume that the salaries of all software developers on the Treasure Coast are normally distributed 82,102 82,995 81,340 82,324 81,089 82,809 82,971 81,627 82,413 82,221 the point estimate, and the sample standard deviation, Round the solutions to four decimal places, if necessary a 95confidence level , determine the margin of error, and a confidence interval for the average salary of a software developer on the Treasure CoastReport the confidence interval using interval notationRound solutions to two decimal places, if necessary The margin of is given by E = confidence interval is given by

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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