Find the standard deviation, s, of sample data summarized in the frequency distribution table given below by using the formula below, where x represents the class midpoint, f represents the class frequency, andn 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, 9.0. [E(1•x*)]-[E«•x]° n(n - 1) Interval 30-39 40-49 50-59 60-69 70-79 80-89 Frequency 19 41 20 8 1 Standard deviation = (Round to one decimal place as needed.)
Find the standard deviation, s, of sample data summarized in the frequency distribution table given below by using the formula below, where x represents the class midpoint, f represents the class frequency, andn 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, 9.0. [E(1•x*)]-[E«•x]° n(n - 1) Interval 30-39 40-49 50-59 60-69 70-79 80-89 Frequency 19 41 20 8 1 Standard deviation = (Round to one decimal place as needed.)
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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![Find the standard deviation, s, of sample data summarized in the frequency distribution table given 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, 9.0.
n[E(1-x²)]-[E«•x]²
S=
n(n - 1)
Interval
30-39
40-49
50-59
60-69
70-79
80-89
Frequency
19
41
20
8
1
Standard deviation =
(Round to one decimal place as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff4ddd6b9-9555-4bd2-8187-6cd68a751f90%2Ffe6407cf-f08f-4204-a644-e756e28748fb%2F2htiz6p_processed.png&w=3840&q=75)
Transcribed Image Text:Find the standard deviation, s, of sample data summarized in the frequency distribution table given 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, 9.0.
n[E(1-x²)]-[E«•x]²
S=
n(n - 1)
Interval
30-39
40-49
50-59
60-69
70-79
80-89
Frequency
19
41
20
8
1
Standard deviation =
(Round to one decimal place as needed.)
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