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5. Which of the following statements is not true? a. In symmetric distributions, the mean and the median will be approximately equal. b. When looking at the shape of the distribution, a distribution is skewed to the left when the left tail is shorter than the right tail. c. A stem-and-leaf display contains all the information needed to create a box plot. d. Relative frequencies are particularly useful when comparing the frequency distributions of two different size sets of data. e. The histogram of a normal sample should have a distribution shape that is not skewed. 6. Which of the following descriptive statistics is not measured in the same units as the data? a. standard deviation b. interquartile range c. median d. coefficient of variation e. all of the above are measured in the same units as the data. 7. A fair penny is tossed three times. The probability of observing a heads two times in a row is a. 1/3 b. 2/3 c. 1/4 d. 3/8 e. 1/2 8. Consider the following variable: The difference between annual earnings of Apple and Samsung. The level of measurement that can be used for this variable is: a. ordinal d. ratio b. interval e. mean absolute deviation c. nominal

5. Which of the following statements is not true? a. In symmetric distributions, the mean and the median will be approximately equal. b. When looking at the shape of the distribution, a distribution is skewed to the left when the left tail is shorter than the right tail. c. A stem-and-leaf display contains all the information needed to create a box plot. d. Relative frequencies are particularly useful when comparing the frequency distributions of two different size sets of data. e. The histogram of a normal sample should have a distribution shape that is not skewed. 6. Which of the following descriptive statistics is not measured in the same units as the data? a. standard deviation b. interquartile range c. median d. coefficient of variation e. all of the above are measured in the same units as the data. 7. A fair penny is tossed three times. The probability of observing a heads two times in a row is a. 1/3 b. 2/3 c. 1/4 d. 3/8 e. 1/2 8. Consider the following variable: The difference between annual earnings of Apple and Samsung. The level of measurement that can be used for this variable is: a. ordinal d. ratio b. interval e. mean absolute deviation c. nominal

MATLAB: An Introduction with Applications
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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5. Which of the following statements is not true? a. In symmetric distributions, the mean and the median will be approximately equal. b. When looking at the shape of the distribution, a distribution is skewed to the left when the left tail is shorter than the right tail. c. A stem-and-leaf display contains all the information needed to create a box plot. d. Relative frequencies are particularly useful when comparing the frequency distributions of two different size sets of data. e. The histogram of a normal sample should have a distribution shape that is not skewed. 6. Which of t a. standard deviation b. interquartile range c. median d. coefficient of variation e. all of the above are measured in the same units as the data. following descriptive statistics is not measured in the same units as the data? 7. A fair penny is tossed three times. The probability of observing a heads two times in a row is a. 1/3 b. 2/3 c. 1/4 d. 3/8 e. 1/2 8. Consider the following variable: The difference between annual earnings of Apple and Samsung. The level of measurement that can be used for this variable is: a. ordinal d. ratio b. interval e. mean absolute deviation c. nominal
Transcribed Image Text:5. Which of the following statements is not true? a. In symmetric distributions, the mean and the median will be approximately equal. b. When looking at the shape of the distribution, a distribution is skewed to the left when the left tail is shorter than the right tail. c. A stem-and-leaf display contains all the information needed to create a box plot. d. Relative frequencies are particularly useful when comparing the frequency distributions of two different size sets of data. e. The histogram of a normal sample should have a distribution shape that is not skewed. 6. Which of t a. standard deviation b. interquartile range c. median d. coefficient of variation e. all of the above are measured in the same units as the data. following descriptive statistics is not measured in the same units as the data? 7. A fair penny is tossed three times. The probability of observing a heads two times in a row is a. 1/3 b. 2/3 c. 1/4 d. 3/8 e. 1/2 8. Consider the following variable: The difference between annual earnings of Apple and Samsung. The level of measurement that can be used for this variable is: a. ordinal d. ratio b. interval e. mean absolute deviation c. nominal
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