Answered: A standardized measure of achievement…

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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Question

A standardized measure of achievement motivation is normally distributed, with a mean of 48 and a
standard deviation of 7. Higher scores correspond to more achievement motivation. Seamus scored in the top
2% of test takers. Which of the following was closests to his actual achievement motivation score?

(a) 7
(b) 41
(c) 55
(d) 62

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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