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 62-68 Frequency 16 36 33 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. OC. The computed value is not significantly different from the given value.

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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.
[E(t-x)]-[Ef-x]*
n(n - 1)
Interval
Frequency
20-26
48-54
16
27-33
41-47
55-61
36
34-40
62-68
2.
6.
33
Standard deviation =
(Round to one decimal place as needed.)
%3D
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 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).
自
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. [E(t-x)]-[Ef-x]* n(n - 1) Interval Frequency 20-26 48-54 16 27-33 41-47 55-61 36 34-40 62-68 2. 6. 33 Standard deviation = (Round to one decimal place as needed.) %3D 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 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). 自
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