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1. Replacing the minimum value with a lower outlying value will result to a lower standard deviation. A. True B. False 2. The range can also be expressed as the difference between the 99th and 1st percentiles. A. True B. False 3. If the range of a dataset is 0, then the standard deviation is also 0. A. True B. False

1. Replacing the minimum value with a lower outlying value will result to a lower standard deviation. A. True B. False 2. The range can also be expressed as the difference between the 99th and 1st percentiles. A. True B. False 3. If the range of a dataset is 0, then the standard deviation is also 0. A. True B. False

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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1. Replacing the minimum value with a lower outlying value will result to a lower standard deviation. A. True B. False 2. The range can also be expressed as the difference between the 99th and 1st percentiles. A. True B. False 3. If the range of a dataset is 0, then the standard deviation is also 0. A. True B. False 4. The higher the standard deviation, the farther the observations are from the mean. A. True B. False 5. A negatively skewed distribution has more negative than positive values. A. True B. False 6. Jasmine wanted to see the world, so she decided to visit Motunui first. After computing for her expenses while in Motunui, she converted it to Agrabah riyal by multiplying each expense by 0.073. Which summary measure will not change? a. Mean b.Range c. Variance d. Coefficient of variation 7. The mean, median, and mode of the amount a student spends on mobile data weekly is Php 127, Php 120, and Php 100, respectively. Which of the following describes the distribution of the amount spent on mobile data? Select one: a. There is not enough information given. b. It is symmetric. c. It is skewed to the left. d. It is skewed to the right. 8. Given below are summary measures of four data sets. Which of the following is FALSE? 1 2 3 220 volts 15 volts Mean 12000 mAh St. Dev. 600 mAh a. Dataset 1 and 2 are equally dispersed. b. Dataset 3 is more dispersed than dataset 2. c. Dataset 3 is more dispersed than dataset 4. d. Dataset 3 is more dispersed than dataset 1. 1000 hours 50 hours 4 100 gallons 32 gallons
Transcribed Image Text:1. Replacing the minimum value with a lower outlying value will result to a lower standard deviation. A. True B. False 2. The range can also be expressed as the difference between the 99th and 1st percentiles. A. True B. False 3. If the range of a dataset is 0, then the standard deviation is also 0. A. True B. False 4. The higher the standard deviation, the farther the observations are from the mean. A. True B. False 5. A negatively skewed distribution has more negative than positive values. A. True B. False 6. Jasmine wanted to see the world, so she decided to visit Motunui first. After computing for her expenses while in Motunui, she converted it to Agrabah riyal by multiplying each expense by 0.073. Which summary measure will not change? a. Mean b.Range c. Variance d. Coefficient of variation 7. The mean, median, and mode of the amount a student spends on mobile data weekly is Php 127, Php 120, and Php 100, respectively. Which of the following describes the distribution of the amount spent on mobile data? Select one: a. There is not enough information given. b. It is symmetric. c. It is skewed to the left. d. It is skewed to the right. 8. Given below are summary measures of four data sets. Which of the following is FALSE? 1 2 3 220 volts 15 volts Mean 12000 mAh St. Dev. 600 mAh a. Dataset 1 and 2 are equally dispersed. b. Dataset 3 is more dispersed than dataset 2. c. Dataset 3 is more dispersed than dataset 4. d. Dataset 3 is more dispersed than dataset 1. 1000 hours 50 hours 4 100 gallons 32 gallons
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