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4. a population forms a normal distribution with a mean of 55 and a stane each of the following samples, compute the z-STATISTIC for the sample a. M=58 for 4 scores b. M=58 for 16 scores c. M=58 for 36 scores

4. a population forms a normal distribution with a mean of 55 and a stane each of the following samples, compute the z-STATISTIC for the sample a. M=58 for 4 scores b. M=58 for 16 scores c. M=58 for 36 scores

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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4. a population forms a normal distribution with a mean of 55 and a standard deviation of 12. For each of the following samples, compute the z-STATISTIC for the sample mean. a. M=58 for 4 scores b. M=58 for 16 scores c. M=58 for 36 scores b. M-67 for 36 scores 5. Using the following data set: 2,7,9, 1, 3, 5 8 N @ 2 BU F2 W S #3 80 F3 E D S4 $ Q F4 02 F % 5 112 16 F5 T G 6 MacBook Air C F6 Y & 7 H 27 N F7 U *CO 8 J DII F8
Transcribed Image Text:4. a population forms a normal distribution with a mean of 55 and a standard deviation of 12. For each of the following samples, compute the z-STATISTIC for the sample mean. a. M=58 for 4 scores b. M=58 for 16 scores c. M=58 for 36 scores b. M-67 for 36 scores 5. Using the following data set: 2,7,9, 1, 3, 5 8 N @ 2 BU F2 W S #3 80 F3 E D S4 $ Q F4 02 F % 5 112 16 F5 T G 6 MacBook Air C F6 Y & 7 H 27 N F7 U *CO 8 J DII F8
Expert Solution
Step 1
Given that.
 
X~N( μ , ?)
 
μ=55  , ?=12
Z-score for mean.
 
Z-score =(M- μ )/(?/√n)
 
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