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 20-29 1 30-39 4 40-49 5 ... Standard deviation = (Round to one decimal place as needed.) 50-59 3 60-69 8 70-79 32 80-89 - 39
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 20-29 1 30-39 4 40-49 5 ... Standard deviation = (Round to one decimal place as needed.) 50-59 3 60-69 8 70-79 32 80-89 - 39
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![st
K
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(+•x2)]- [Σ«•x)]2
n(n-1)
Interval
Frequency
20-29
1
30-39
4
40-49
5
...
Standard deviation = (Round to one decimal place as needed.)
50-59
3
60-69
8
70-79
32
80-89 C
39](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8f980526-2571-439e-8d29-7976a42cd1e1%2Fe6634a8d-9c65-4edd-8432-cdc00cb0775d%2Fqpcg5ww_processed.jpeg&w=3840&q=75)
Transcribed Image Text:st
K
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(+•x2)]- [Σ«•x)]2
n(n-1)
Interval
Frequency
20-29
1
30-39
4
40-49
5
...
Standard deviation = (Round to one decimal place as needed.)
50-59
3
60-69
8
70-79
32
80-89 C
39
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