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A study of the relationship between age and various visual functions (such as acuity and depth perception) reported the following observations on the area of scleral lamina (mm2) from human optic nerve heads: 2.72 2.71 2.64 3.94 2.31 2.64 3.86 4.29 3.85 4.29 3.44 4.62 2.34 3.66 2.79 3.57 2.92 IЛ USE SALT (a) Calculate Ex, and Σx². Σχο Σχι 2 = = mm² 4 mm (b) Use the values calculated in part (a) to compute the sample variance s² and then the sample standard deviation s. (Round your answers to four decimal places.) $2 S = mm4 mm²

A study of the relationship between age and various visual functions (such as acuity and depth perception) reported the following observations on the area of scleral lamina (mm2) from human optic nerve heads: 2.72 2.71 2.64 3.94 2.31 2.64 3.86 4.29 3.85 4.29 3.44 4.62 2.34 3.66 2.79 3.57 2.92 IЛ USE SALT (a) Calculate Ex, and Σx². Σχο Σχι 2 = = mm² 4 mm (b) Use the values calculated in part (a) to compute the sample variance s² and then the sample standard deviation s. (Round your answers to four decimal places.) $2 S = mm4 mm²

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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A study of the relationship between age and various visual functions (such as acuity and depth perception) reported the following observations on the area of scleral lamina (mm2) from human optic nerve heads: 2.72 2.71 2.64 3.94 2.31 2.64 3.86 4.29 3.85 4.29 3.44 4.62 2.34 3.66 2.79 3.57 2.92 IЛ USE SALT (a) Calculate Ex, and Σx². Σχο Σχι 2 = = mm² 4 mm (b) Use the values calculated in part (a) to compute the sample variance s² and then the sample standard deviation s. (Round your answers to four decimal places.) $2 S = mm4 mm²
Transcribed Image Text:A study of the relationship between age and various visual functions (such as acuity and depth perception) reported the following observations on the area of scleral lamina (mm2) from human optic nerve heads: 2.72 2.71 2.64 3.94 2.31 2.64 3.86 4.29 3.85 4.29 3.44 4.62 2.34 3.66 2.79 3.57 2.92 IЛ USE SALT (a) Calculate Ex, and Σx². Σχο Σχι 2 = = mm² 4 mm (b) Use the values calculated in part (a) to compute the sample variance s² and then the sample standard deviation s. (Round your answers to four decimal places.) $2 S = mm4 mm²
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