Young Professional magazine was developed for a target audience of recent college graduates who are in their first 10 years in a business/professional career. In its two years of publication, the magazine has been fairly successful. Now the publisher is interested in expanding the magazine’s advertising base. Potential advertisers continually ask about the demographics and interests of subscribers to Young Professional. To collect this information, the magazine commissioned a survey to develop a profile of its subscribers. The survey results will be used to help the magazine choose articles of interest and provide advertisers with a profile of subscribers. As a new employee of the magazine, you have been asked to help analyze the survey results. Some of the survey questions follow: What is your age? Are you: Male................. Female ................... Do you plan to make any real estate purchases in the next two years? Yes............. No.............. What is the approximate total value of financial investments, exclusive of your home, owned by you or members of your household? How many stock/bond/mutual fund transactions have you made in the past year? Do you have broadband access to the Internet at home? Yes...... No....... Please indicate your total household income last year. Do you have children? Yes........ No............ The file Professional contains the responses to these questions. Table 8.8 shows the portion of the file pertaining to the first five survey respondents. Age Gender Real Estate Purchase Value of Inestments ($) Number of Transaction Broadband Access Household Income ($) Children 38 Female No 12200 4 Yes 75200 Yes 30 Male No 12400 4 Yes 70300 Yes 41 Female No 26800 5 Yes 48200 No 28 Female No 19600 6 No 95300 No 31 Female Yes 15100 5 No 73300 Yes Managerial Report Prepare a managerial report summarizing the results of the survey. In addition to statistical summaries, discuss how the magazine might use these results to attract advertisers. You might also comment on how the survey results could be used by the magazine’s editors to identify topics that would be of interest to readers. Your report should address the following issues, but do not limit your analysis to just these areas. Develop appropriate descriptive statistics to summarize the data. Develop 95% confidence intervals for the mean age and household income of Develop 95% confidence intervals for the proportion of subscribers who have broadband access at home and the proportion of subscribers who have children. Would Young Professional be a good advertising outlet for online brokers? Justify your conclusion with statistical data. Would this magazine be a good place to advertise for companies selling educational software and computer games for young children? Comment on the types of articles you believe would be of interest to readers of Young Professional

Young Professional magazine was developed for a target audience of recent college graduates who are in their first 10 years in a business/professional career. In its two years of publication, the magazine has been fairly successful. Now the publisher is interested in expanding the magazine’s advertising base. Potential advertisers continually ask about the demographics and interests of subscribers to Young Professional. To collect this information, the magazine commissioned a survey to develop a profile of its subscribers. The survey results will be used to help the magazine choose articles of interest and provide advertisers with a profile of subscribers. As a new employee of the magazine, you have been asked to help analyze the survey results. Some of the survey questions follow: What is your age? Are you: Male................. Female ................... Do you plan to make any real estate purchases in the next two years? Yes............. No.............. What is the approximate total value of financial investments, exclusive of your home, owned by you or members of your household? How many stock/bond/mutual fund transactions have you made in the past year? Do you have broadband access to the Internet at home? Yes...... No....... Please indicate your total household income last year. Do you have children? Yes........ No............ The file Professional contains the responses to these questions. Table 8.8 shows the portion of the file pertaining to the first five survey respondents. Age Gender Real Estate Purchase Value of Inestments ($) Number of Transaction Broadband Access Household Income ($) Children 38 Female No 12200 4 Yes 75200 Yes 30 Male No 12400 4 Yes 70300 Yes 41 Female No 26800 5 Yes 48200 No 28 Female No 19600 6 No 95300 No 31 Female Yes 15100 5 No 73300 Yes Managerial Report Prepare a managerial report summarizing the results of the survey. In addition to statistical summaries, discuss how the magazine might use these results to attract advertisers. You might also comment on how the survey results could be used by the magazine’s editors to identify topics that would be of interest to readers. Your report should address the following issues, but do not limit your analysis to just these areas. Develop appropriate descriptive statistics to summarize the data. Develop 95% confidence intervals for the mean age and household income of Develop 95% confidence intervals for the proportion of subscribers who have broadband access at home and the proportion of subscribers who have children. Would Young Professional be a good advertising outlet for online brokers? Justify your conclusion with statistical data. Would this magazine be a good place to advertise for companies selling educational software and computer games for young children? Comment on the types of articles you believe would be of interest to readers of Young Professional

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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Question

Young Professional magazine was developed for a target audience of recent college graduates who are in their first 10 years in a business/professional career. In its two years of publication, the magazine has been fairly successful. Now the publisher is interested in expanding the magazine’s advertising base. Potential advertisers continually ask about the demographics and interests of subscribers to Young Professional. To collect this information, the magazine commissioned a survey to develop a profile of its subscribers. The survey results will be used to help the magazine choose articles of interest and provide advertisers with a profile of subscribers. As a new employee of the magazine, you have been asked to help analyze the survey results.

Some of the survey questions follow:

What is your age?
Are you: Male................. Female ...................
Do you plan to make any real estate purchases in the next two years? Yes............. No..............
What is the approximate total value of financial investments, exclusive of your home, owned by you or members of your household?
How many stock/bond/mutual fund transactions have you made in the past year?
Do you have broadband access to the Internet at home? Yes...... No.......
Please indicate your total household income last year.
Do you have children? Yes........ No............

The file Professional contains the responses to these questions. Table 8.8 shows the portion of the file pertaining to the first five survey respondents.


Age	Gender	Real Estate Purchase	Value of Inestments ($)	Number of Transaction	Broadband Access	Household Income ($)	Children
38	Female	No	12200	4	Yes	75200	Yes
30	Male	No	12400	4	Yes	70300	Yes
41	Female	No	26800	5	Yes	48200	No
28	Female	No	19600	6	No	95300	No
31	Female	Yes	15100	5	No	73300	Yes

Managerial Report

Prepare a managerial report summarizing the results of the survey. In addition to statistical summaries, discuss how the magazine might use these results to attract advertisers. You might also comment on how the survey results could be used by the magazine’s editors to identify topics that would be of interest to readers. Your report should address the following issues, but do not limit your analysis to just these areas.

Develop appropriate descriptive statistics to summarize the data.
Develop 95% confidence intervals for the mean age and household income of
Develop 95% confidence intervals for the proportion of subscribers who have broadband access at home and the proportion of subscribers who have children.
Would Young Professional be a good advertising outlet for online brokers? Justify your conclusion with statistical data.
Would this magazine be a good place to advertise for companies selling educational software and computer games for young children?
Comment on the types of articles you believe would be of interest to readers of Young Professional.

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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