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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: 2.74 2.57 2.80 3.75 2.37 2.75 3.88 4.16 3.87 4.32 3.43 4.57 2.46 3.67 2.70 3.63 3.11 ЛUSE SALT (a) Calculate Σx; and Σx;². Ex = Σχ = mm² mm4 (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 = S = mm 4 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 2.57 2.80 3.75 2.37 2.75 3.88 4.16 3.87 4.32 3.43 4.57 2.46 3.67 2.70 3.63 3.11 ЛUSE SALT (a) Calculate Σx; and Σx;². Ex = Σχ = mm² mm4 (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 = S = mm 4 mm²

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 32PPS
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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: 2.74 2.57 2.80 3.75 2.37 2.75 3.88 4.16 3.87 4.32 3.43 4.57 2.46 3.67 2.70 3.63 3.11 ЛUSE SALT (a) Calculate Σx; and Σx;². Ex = Σχ = mm² mm4 (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 = S = mm 4 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: 2.74 2.57 2.80 3.75 2.37 2.75 3.88 4.16 3.87 4.32 3.43 4.57 2.46 3.67 2.70 3.63 3.11 ЛUSE SALT (a) Calculate Σx; and Σx;². Ex = Σχ = mm² mm4 (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 = S = mm 4 mm²
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