A standardized exam's scores are normally distributed. In a recent year, the mean test score was 20.9 and the standard deviation was 5.3. The test scores of four students selected at random are 15, 22, 8, and 35. Find the z-scores that correspond to each value and determine whether any of the values are unusual.The z-score for 15 is [ ]. (Round to two decimal places as needed.) At the bottom of the image, there are several options: - Help Me Solve This- View an Example- Get More Help- Clear All- Check AnswerThe image appears to show a question from an online educational platform, emphasizing the calculation of z-scores within the context of a statistics problem.

Given,mean(μ)=20.9standard deviation(σ)=5.3

Answered: A standardized exam's scores are…

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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