statistics: ACT: μ= 21 σ= 5 SAT: μ= 1060 , σ= 195 1. create an interval that describes 95% of the SAT data centered about the mean. show work 2. use z-score to determine which is better an ACT score of 26 or a combines SAT score

statistics: ACT: μ= 21 σ= 5 SAT: μ= 1060 , σ= 195 1. create an interval that describes 95% of the SAT data centered about the mean. show work 2. use z-score to determine which is better an ACT score of 26 or a combines SAT score

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

Assume ACT and SAT scores have approximately bell-shaped distrubution with the folllowing statistics:

ACT: μ= 21 σ= 5

SAT: μ= 1060 , σ= 195

1. create an interval that describes 95% of the SAT data centered about the mean. show work

2. use z-score to determine which is better an ACT score of 26 or a combines SAT score of 1220. Show work

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