The following information regarding the ten richest Americans was reported in a recent issue of Forbes. Name Ranking Worth ($Billions) Age Marital Status Source Gates, William 1 59.0 51 married Microsoft Buffett, Warren 2 52.0 77 married Berkshire Hathaway Adelson, Sheldon 3 28.0 74 married casinos, hotels Ellison, L. J. 4 26.0 63 married Oracle Brin, Sergey 5 18.5 34 married Google Page, Larry 5 18.5 34 single Google Kerkorian, Kirk 7 18.0 90 divorced investments, casinos Dell, Michael 8 17.2 42 married Dell Koch, Charles 9 17.0 71 married oil, commodities Koch, David 9 17.0 67 married oil, commodities a. How many elements are in the above data set? b. How many variables are in this data set? c. How many observations are in this data set? d. Which variables are categorical and which are quantitative? e. What measurement scale is used for each variable?
The following information regarding the ten richest Americans was reported in a recent issue of Forbes. Name Ranking Worth ($Billions) Age Marital Status Source Gates, William 1 59.0 51 married Microsoft Buffett, Warren 2 52.0 77 married Berkshire Hathaway Adelson, Sheldon 3 28.0 74 married casinos, hotels Ellison, L. J. 4 26.0 63 married Oracle Brin, Sergey 5 18.5 34 married Google Page, Larry 5 18.5 34 single Google Kerkorian, Kirk 7 18.0 90 divorced investments, casinos Dell, Michael 8 17.2 42 married Dell Koch, Charles 9 17.0 71 married oil, commodities Koch, David 9 17.0 67 married oil, commodities a. How many elements are in the above data set? b. How many variables are in this data set? c. How many observations are in this data set? d. Which variables are categorical and which are quantitative? e. What measurement scale is used for each variable?
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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The following information regarding the ten richest Americans was reported in a recent issue of Forbes.
|
Name |
Ranking |
Worth |
Age |
Marital Status |
Source |
|
Gates, William |
1 |
59.0 |
51 |
married |
Microsoft |
|
Buffett, Warren |
2 |
52.0 |
77 |
married |
Berkshire Hathaway |
|
Adelson, Sheldon |
3 |
28.0 |
74 |
married |
casinos, hotels |
|
Ellison, L. J. |
4 |
26.0 |
63 |
married |
Oracle |
|
Brin, Sergey |
5 |
18.5 |
34 |
married |
|
|
Page, Larry |
5 |
18.5 |
34 |
single |
|
|
Kerkorian, Kirk |
7 |
18.0 |
90 |
divorced |
investments, casinos |
|
Dell, Michael |
8 |
17.2 |
42 |
married |
Dell |
|
Koch, Charles |
9 |
17.0 |
71 |
married |
oil, commodities |
|
Koch, David |
9 |
17.0 |
67 |
married |
oil, commodities |
|
a. |
How many elements are in the above data set? |
|
b. |
How many variables are in this data set? |
|
c. |
How many observations are in this data set? |
|
d. |
Which variables are categorical and which are quantitative? |
|
e. |
What measurement scale is used for each variable? |
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