NAME AGE NAME AGE NAME AGE Carly Fiorina 48 Judy Lewent 53 Carol Tomé 45 Betsy Holden 46 Marjorie Magner 53 Marion Sandler 71 Meg Whitman 46 Ann Livermore 44 Louise Francesconi 49 Indra Nooyi 46 Cathleen Black 58 Vanessa Castagna 53 Andrea Jung 44 Doreen Toben 52 Larree Renda 44 Anne Mulcahy 49 Amy Pascal 44 Dawn Lepore 48 Abigail Johnson 40 Pam Strobel 50 Oprah frey 48 Dina Dublon 49 Ann Moore 52 Nancy Peretsman 48 Judy McGrath 50 Susan Arnold 48 Colleen Barrett 58 Mary Kay Haben 46 Shelly Lazarus 55 Deb Henretta 41 Pat Russo 50 Carole Black 59 Betsy Bernard 47 Jamie Gorelick 52 Amy Brinkley 46 Marce Fuller 42 Lois Juliber 53 Kathi Seifert 53 Sherry Lansing 58 Anne Sweeney 44 Stacey Snider 41 Marilyn C. Nelson 63 Sallie Krawcheck 37 Anne Stevens 53 The table 1 that follows show a list of powerful women in a certain country. Generate the descriptive statistics for the data(age) in the table below. What does the mean and median indicate about the skewness of the data? Generate a list of 200 random numbers. Use the list of random numbers generated in ( c ) to select a simple random sample of 10 women with their corresponding age. Generate the descriptive statistics for the sample of 10 women selected. Select a sample of 10 women with their corresponding age using systematic random sampling method using the list of random numbers generated in ( c ). Generate the descriptive statistics for the sample obtained in question (f) above. Calculate the bias for both sampling methods used. In your opinion, of the two sampling methods used, which one is the better estimate of the population?

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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NAME	AGE	NAME	AGE	NAME	AGE
Carly Fiorina	48	Judy Lewent	53	Carol Tomé	45
Betsy Holden	46	Marjorie Magner	53	Marion Sandler	71
Meg Whitman	46	Ann Livermore	44	Louise Francesconi	49
Indra Nooyi	46	Cathleen Black	58	Vanessa Castagna	53
Andrea Jung	44	Doreen Toben	52	Larree Renda	44
Anne Mulcahy	49	Amy Pascal	44	Dawn Lepore	48
Abigail Johnson	40	Pam Strobel	50
Oprah frey	48	Dina Dublon	49
Ann Moore	52	Nancy Peretsman	48
Judy McGrath	50	Susan Arnold	48
Colleen Barrett	58	Mary Kay Haben	46
Shelly Lazarus	55	Deb Henretta	41
Pat Russo	50	Carole Black	59
Betsy Bernard	47	Jamie Gorelick	52
Amy Brinkley	46	Marce Fuller	42
Lois Juliber	53	Kathi Seifert	53
Sherry Lansing	58	Anne Sweeney	44
Stacey Snider	41	Marilyn C. Nelson	63
Sallie Krawcheck	37	Anne Stevens	53

The table 1 that follows show a list of powerful women in a certain country.

Generate the descriptive statistics for the data(age) in the table below.
What does the mean and median indicate about the skewness of the data?
Generate a list of 200 random numbers.
Use the list of random numbers generated in ( c ) to select a simple random sample of 10 women with their corresponding age.
Generate the descriptive statistics for the sample of 10 women selected.
Select a sample of 10 women with their corresponding age using systematic random sampling method using the list of random numbers generated in ( c ).
Generate the descriptive statistics for the sample obtained in question (f) above.
Calculate the bias for both sampling methods used.
In your opinion, of the two sampling methods used, which one is the better estimate of the population?

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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