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A sample of n = 81 from a population of u = 80 and o = 18 has a mean M = 81. What is the z-score for the sample means. %3D %3D а. -.50 b. +.50 С. -1.00 d. +1.00

A sample of n = 81 from a population of u = 80 and o = 18 has a mean M = 81. What is the z-score for the sample means. %3D %3D а. -.50 b. +.50 С. -1.00 d. +1.00

MATLAB: An Introduction with Applications
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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7. A sample of n 81 from a population of u = 80 and o = 18 has a mean M = 81. What is the z-score for the sample means. а. -.50 b. +.50 С. -1.00 d. +1.00 MacBook Pro
Transcribed Image Text:7. A sample of n 81 from a population of u = 80 and o = 18 has a mean M = 81. What is the z-score for the sample means. а. -.50 b. +.50 С. -1.00 d. +1.00 MacBook Pro
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