Answered: I have answered this sample sheet but I…

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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I have answered this sample sheet but I just want to make sure my answers are right. Can you show me your answers? Thank you! 1. Exploratory Data Analysis refers to A. a set of procedures for producing descriptive and graphical summaries of the data. B. a set of summaries for producing descriptive and graphical procedures of the data. C. a set of procedures for producing descriptive and written summaries of the data. D. a set of procedures for producing descriptive and graphical summaries of the data. 2. Which of the following choices are referred to as categorical data? A. nominal and interval B. nominal and ordinal C. ordinal and interval D. interval and ratio 3. Which of the following choices are referred to as continuous data? A. ordinal and ratio B. nominal and ratio C. ordinal and interval D. interval and ratio 4. Which of the following choices is NOT a property of an ordinal data? A. represent discrete units B. values are inherently ordered C. has absolute zero D. none among the given choices 5. Which of the following choices is NOT a property of an interval data? A. represent discrete units B. values are inherently ordered C. distance between units is the same D. has absolute zero 6. Which of the following choices is NOT a property of a ratio data? A. values are inherently ordered B. distance between units is the same C. has absolute zero D. none among the choices given 7. Which of the following describes central tendency? A. Mean B. Median C. Mode D. All of the choices given 8. Which of the following best illustrate nominal data? A. histogram B. bar chart C. box plot D. scatter plot 9. Which of the following best illustrate continuous unimodal data? A. histogram B. bar chart C. box plot D. scatter plot 10. Which formula describes the range? A. Minimum value – Maximum value B. Maximum value – Minimum value C. Maximum value – Mean D. Maximum value – Median 11. Which formula describes the interquartile range? A. Q4 – Q1 B. Q4 - Q2 C. Q3 - Q2 D. Q3 - Q1 12. In a box plot, what does the horizontal line inside the box represent? A. First Quartile B. Second Quartile C. Third Quartile D. Fourth Quartile 13. In a box plot, what does the box represent? A. Range B. Standard Deviation C. Interquartile Range D. Variance 14. Which of the following is unlike the other choices? A. Median B. 50th percentile C. Mean D. 2nd Quartile 15. Given an unordered data set {1,5,3,6,8,9,4}. What is the median? A. 3 B. 4 C. 5 D. 6

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