Find the standard deviation, s, of sample data summarized in the frequency distribution table below. Then compare to the standard deviation obtained from the original list of data values, which was 9.0. Interval 30-36 37-43 44-50 51-57 58-64 65-71 Frequency 2 20 36 21 7 3 Standard deviation = 10.2 (Round to one decimal place.) Find the percent difference between the computed standard deviation (above) and the given standard deviation (9.0). There is a 13.3 % difference between the two values. (Round to one decimal place.) Consider a difference of 20% between two values of a standard deviation to be significant. Is there a significant difference between the computed and given standard deviations? (A, B, or C) A No, the computed value is not significantly different from the given value. B Yes, the computed value is significantly less than the given value. C Yes, the computed value is significantly greater than the given value.
Find the standard deviation, s, of sample data summarized in the frequency distribution table below. Then compare to the standard deviation obtained from the original list of data values, which was 9.0. Interval 30-36 37-43 44-50 51-57 58-64 65-71 Frequency 2 20 36 21 7 3 Standard deviation = 10.2 (Round to one decimal place.) Find the percent difference between the computed standard deviation (above) and the given standard deviation (9.0). There is a 13.3 % difference between the two values. (Round to one decimal place.) Consider a difference of 20% between two values of a standard deviation to be significant. Is there a significant difference between the computed and given standard deviations? (A, B, or C) A No, the computed value is not significantly different from the given value. B Yes, the computed value is significantly less than the given value. C Yes, the computed value is significantly greater than 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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Question
| Find the standard deviation, s, of sample data summarized in the frequency distribution table below. | |||||||||||||
| Then compare to the standard deviation obtained from the original list of data values, which was 9.0. | |||||||||||||
| Interval | 30-36 | 37-43 | 44-50 | 51-57 | 58-64 | 65-71 | |||||||
| Frequency | 2 | 20 | 36 | 21 | 7 | 3 | |||||||
| Standard deviation = | 10.2 | ||||||||||||
| (Round to one decimal place.) | |||||||||||||
| Find the percent difference between the computed standard deviation (above) and the given standard deviation (9.0). | |||||||||||||
| There is a | 13.3 | % difference between the two values. | |||||||||||
| (Round to one decimal place.) | |||||||||||||
| Consider a difference of 20% between two values of a standard deviation to be significant. | |||||||||||||
| Is there a significant difference between the computed and given standard deviations? | |||||||||||||
| (A, B, or C) | |||||||||||||
| A | No, the computed value is not significantly different from the given value. | ||||||||||||
| B | Yes, the computed value is significantly less than the given value. | ||||||||||||
| C | Yes, the computed value is significantly greater than the given value. |
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