Find the standard deviation for the following data set.2, 2, 2, 5, 5, 6, 6, 8, 8, 9O A. 5О В. 2.49С. 2O D. 6.21erAI

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Answered: Find the standard deviation for the…

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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End O L ) 0 Alt PgUP 11 P PgDn Ins Del Packspace afte 2=(2>60) (2480) 5. A The ages of the thousands of residents of a retirement community are normally distributed with a mean of 70 and a standard deviation of 4 years. a. What proportion of this population is between 60 and 80? 2=60-70 -2.5 = 6.21 4 2-80-76 4 2= = 2.5=6.21 1.5 2= 68.5-45 - 5.87 니 71.5-45 4 b. If one sample of 45 residents is chosen at random, what is the probability that the sample mean age will be between 68.5 and 71.75? Stru ماما - 1-,99379 6. = 6.21% +6.21= -4 12,24% is between 60-80 years old 2.5 c. Between which two symmetric limits are 95% of all the possible values of the sample means? 4 FIST Standar 4. PCX a) x-

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Find the standard deviation for the following data set. 2, 2, 2, 5, 5, 6, 6, 8, 8, 9 O A. 5 О В. 2.49 О с. 2 O D. 6.21