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: 2.71 2.56 2.64 3.91 2.24 2.84 4.00 4.20 3.80 4.35 3.40 4.50 2.49 3.73 2.83 3.55 2.91 LAUSE SALT (a) Calculate Ex, and Ex2. Ex₁ = mm² Ex₁² = [ mm 4 (b) Use the values calculated in part (a) to compute the sample variances and then the sample standard deviation s. (Round your answers to four decimal places.) s² = 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: 2.71 2.56 2.64 3.91 2.24 2.84 4.00 4.20 3.80 4.35 3.40 4.50 2.49 3.73 2.83 3.55 2.91 LAUSE SALT (a) Calculate Ex, and Ex2. Ex₁ = mm² Ex₁² = [ mm 4 (b) Use the values calculated in part (a) to compute the sample variances and then the sample standard deviation s. (Round your answers to four decimal places.) s² = S= mm4 mm²
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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
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:
2.71 2.56 2.64 3.91 2.24 2.84 4.00 4.20 3.80
4.35 3.40 4.50 2.49 3.73 2.83 3.55 2.91
LAUSE SALT
(a) Calculate Ex, and Ex₁².
mm²
Σχιζ = |
(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.)
s² =
mm4
mm²
S=
4
mm
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