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
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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