Finding the Range of a Data Set In Exercises 9 and 10, find the range of the data set represented by the graph. 9. Median Annual Income by State Frequency 12 40 45 50 55 60 65 70 75 Income (in thousands of dollars) (Source: U.S. Census Bureau) 10. 75 80 85 90 95

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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3. Why is the standard deviation used more frequently than the variance?
4. Explain the relationship between variance and standard deviation. Can
either of these measures be negative? Explain.
5. Describe the difference between the calculation of population standard
deviation and that of sample standard deviation.
6. Given a data set, how do you know whether to calculate o or s?
7. Discuss the similarities and the differences between the Empirical Rule and
Chebychev's Theorem.
8. What must you know about a data set before you can use the Empirical Rule?
Using and Interpreting Concepts
Finding the Range of a Data Set In Exercises 9 and 10, find the range of
the data set represented by the graph.
9.
Median Annual Income by State
Frequency
12
40 45 50 55 60 65 70 75
Income (in thousands of dollars)
(Source: U.S. Census Bureau)
...
10.
+H
75 80
85 90
1111
95
The depths (in inches) at which 10 artifacts are found a
Transcribed Image Text:3. Why is the standard deviation used more frequently than the variance? 4. Explain the relationship between variance and standard deviation. Can either of these measures be negative? Explain. 5. Describe the difference between the calculation of population standard deviation and that of sample standard deviation. 6. Given a data set, how do you know whether to calculate o or s? 7. Discuss the similarities and the differences between the Empirical Rule and Chebychev's Theorem. 8. What must you know about a data set before you can use the Empirical Rule? Using and Interpreting Concepts Finding the Range of a Data Set In Exercises 9 and 10, find the range of the data set represented by the graph. 9. Median Annual Income by State Frequency 12 40 45 50 55 60 65 70 75 Income (in thousands of dollars) (Source: U.S. Census Bureau) ... 10. +H 75 80 85 90 1111 95 The depths (in inches) at which 10 artifacts are found a
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