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 n(n - 1) 70-79 80-89 30 40-49 50-59 60-69 90-99 30-39 1 Interval Frequency 3 11 30 Standard deviation (Round to one decimal place as needed) Consider a difference of 20% between two values of a standard deviation to be significant How does this computed value compare with the given standard deviation, 11.1? O A. The computed value is significantly greater than the given value. O B. The computed value is significantly less than the given value. O C. The computed value is not significantly different from the given value
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 n(n - 1) 70-79 80-89 30 40-49 50-59 60-69 90-99 30-39 1 Interval Frequency 3 11 30 Standard deviation (Round to one decimal place as needed) Consider a difference of 20% between two values of a standard deviation to be significant How does this computed value compare with the given standard deviation, 11.1? O A. The computed value is significantly greater than the given value. O B. The computed value is significantly less than the given value. O C. The computed value is not significantly different from the given value
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.
n[E(1•x')]-[Z«•x)?
n(n - 1)
30-39
40-49
50-59
60-69
70-79
80-89
90-99
Interval
4
3
1
30
30
Frequency
1
Standard deviation = (Round to one decimal place as needed.)
Consider a difference of 20% between two values of a standard deviation to be significant. How does this computed value compare with the given standard deviation, 11.1?
O A. The computed value is significantly greater than the given value.
O B. The computed value is significantly less than the given value.
O C. The computed value is not significantly different from the given value
Click to select your answer(s).
Next
StatCrunch
534 PM
7/26/2021](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F621194ce-f4d6-48e4-b3ef-4f6a780ad41c%2Ffb110bd0-b281-44be-b261-1a082502ba64%2F6s6kvr8_processed.jpeg&w=3840&q=75)
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.
n[E(1•x')]-[Z«•x)?
n(n - 1)
30-39
40-49
50-59
60-69
70-79
80-89
90-99
Interval
4
3
1
30
30
Frequency
1
Standard deviation = (Round to one decimal place as needed.)
Consider a difference of 20% between two values of a standard deviation to be significant. How does this computed value compare with the given standard deviation, 11.1?
O A. The computed value is significantly greater than the given value.
O B. The computed value is significantly less than the given value.
O C. The computed value is not significantly different from the given value
Click to select your answer(s).
Next
StatCrunch
534 PM
7/26/2021
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