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Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1. S= |n[Σ(f•x2)]-[Σ«•x] n(n-1) Interval Frequency 30-39 1 Standard deviation = (Round to one decimal place as needed.) 40-49 4 50-59 9 60-69 4 70-79 10 80-89 35 90-99 35 D

Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1. S= |n[Σ(f•x2)]-[Σ«•x] n(n-1) Interval Frequency 30-39 1 Standard deviation = (Round to one decimal place as needed.) 40-49 4 50-59 9 60-69 4 70-79 10 80-89 35 90-99 35 D

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1. S= n[Σ(1•x2)]-[Σ«•x]2 n(n-1) Interval Frequency 30-39 1 Standard deviation = (Round to one decimal place as needed.) ■ example Get more help. 40-49 4 50-59 9 60-69 4 70-79 10 80-89 35 Clear all 90-99 35 Check answer
Transcribed Image Text:Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1. S= n[Σ(1•x2)]-[Σ«•x]2 n(n-1) Interval Frequency 30-39 1 Standard deviation = (Round to one decimal place as needed.) ■ example Get more help. 40-49 4 50-59 9 60-69 4 70-79 10 80-89 35 Clear all 90-99 35 Check answer
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