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) Interval 20-26 27-33 34-40 41-47 48-54 55-61 Frequency 62-68 8. 17 35 38 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, 11.12 O A. The computed value is significantly less than the given value. O B. The computed value is not significantly different from the given value. O C. The computed value is significantly greater than the given value.

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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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(n - 1)
Interval
20-26
27-33
34-40
41-47
48-54
Frequency
55-61
1
62-68
8.
4
17
35
38
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, 11.12
O A. The computed value is significantly less than the given value.
O B. The computed value is not significantly different from the given value.
O C. The computed value is significantly greater than the given value.
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(n - 1) Interval 20-26 27-33 34-40 41-47 48-54 Frequency 55-61 1 62-68 8. 4 17 35 38 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, 11.12 O A. The computed value is significantly less than the given value. O B. The computed value is not significantly different from the given value. O C. The computed value is significantly greater than the given value.
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