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: 2.74 2.52 2.78 3.94 2.36 2.65 3.94 4.28 3.98 4.25 3.51 4.42 2.34 3.70 2.80 3.63 3.05 (a) Calculate Ex¡ and Ex;2. (Round Ex;² to two decimal places.) Σχ- mm2 %3D Ex,? = mm4 %3D (b) Use the values calculated in part (a) to compute the sample variance s² and then the sample standard d&viation s. (Round your answers to three decimal places.) s2 = mm 4 %3D 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: 2.74 2.52 2.78 3.94 2.36 2.65 3.94 4.28 3.98 4.25 3.51 4.42 2.34 3.70 2.80 3.63 3.05 (a) Calculate Ex¡ and Ex;2. (Round Ex;² to two decimal places.) Σχ- mm2 %3D Ex,? = mm4 %3D (b) Use the values calculated in part (a) to compute the sample variance s² and then the sample standard d&viation s. (Round your answers to three decimal places.) s2 = mm 4 %3D mm2
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question

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:
2.74 2.52 2.78
3.94 2.36
2.65 3.94
4.28 3.98
4.25 3.51
4.42
2.34 3.70 2.80 3.63
3.05
(a) Calculate Ex¡ and Ex;2. (Round Ex;² to two decimal places.)
Σχ-
mm2
%3D
Ex,? =
mm4
%3D
(b) Use the values calculated in part (a) to compute the sample variance s² and then the sample standard d&viation s. (Round your answers to three decimal places.)
s2 =
mm
4
%3D
mm2
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