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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: 2.80 2.68 2.70 3.89 2.28 2.73 4.03 4.15 3.98 4.25 3.47 4.43 2.48 3.67 2.87 3.62 3.06 n USE SALT (a) Calculate Ex, and Ex,2. Ex, = Ex,? = | 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 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: 2.80 2.68 2.70 3.89 2.28 2.73 4.03 4.15 3.98 4.25 3.47 4.43 2.48 3.67 2.87 3.62 3.06 n USE SALT (a) Calculate Ex, and Ex,2. Ex, = Ex,? = | 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 mm4 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
Section10.1: Measures Of Center
Problem 9PPS
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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: 2.80 2.68 2.70 3.89 2.28 2.73 4.03 4.15 3.98 4.25 3.47 4.43 2.48 3.67 2.87 3.62 3.06 n USE SALT (a) Calculate Ex, and Ex,2. Ex, = mm2 Ex,? = 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 = mm n4 mm2 = S
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: 2.80 2.68 2.70 3.89 2.28 2.73 4.03 4.15 3.98 4.25 3.47 4.43 2.48 3.67 2.87 3.62 3.06 n USE SALT (a) Calculate Ex, and Ex,2. Ex, = mm2 Ex,? = 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 = mm n4 mm2 = S
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