FILM 240 Lecture : Lesson 11 outline

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carminewombat7

19 Jan 2012

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News rituals: when you"re connected to news is different for everyone, relaxation, leisure media use time. Informed & empowered: having access to news = information and power. Audience migration: newspapers to tvs to online to mobile. Images have belieability (very convincing: toronto star= #1 canadian daily circulation, newspaper audiences keep declining. Bad news; these are the ones that people want to see and watch . Citizen journalism; grassroots authenticity: videos from bystanders can make a huge difference. Mainstream media is agenda setting: multistep flow. Ideas flow from mass media to opinion leaders to a wider population. Timeliness, proximity, conflict, human interest, novelty, deviance. Important essence of the story is at the top. Confrontational coverage (oppositional and polarized: polarize public opinions. Hard (business/local/sports/world) news vs. soft news (travel/arts/local etc) Morning news tend to have more hard news; as morning progresses, contents get more soft: city with highest % news readership; ottawa. Multichannel & multiplatform (60% use multiple channels for daily news/

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The Times-Observer is a daily newspaper in Metro City. Like manycity newspapers, the Times-Observer is suffering through difficultfinancial times.The circulationmanager is studying other papers in similar cities in the UnitedStates and Canada. She is particularly interested in what variablesrelate tothe numberof subscriptions to the paper. She is able to obtain the followingsample information on 25 newspapers in similar cities. Thefollowing notationis used:

Sub= Number of subscriptions (in thousands).

Popul = The metropolitan population (in thousands).
Adv= The advertising budget of the paper (in $ hundreds).
Income= The median family income in the metropolitan area (in $thousands).

Paper Sub	Popu	Adv	Income
1 37,95	588,9	13,2	35,1
2 37,66	585,3	13,2	34,7
3 37,55	566,3	19,8	34,8
4 38,78	642,9	17,6	35,1
5 37,67	624,2	17,6	34,6
6 38,23	603,9	15,4	34,8
7 36,9	571,9	11	34,7
8 38,28	584,3	28,6	35,3
9 38,95	605	28,6	35,1
10 39,27	676,3	17,6	35,6
11 38,3	587,4	17,6	34,9
12 38,84	576,4	22	35,4
13 38,14	570,8	17,6	35
14 38,39	586,5	15,4	35,5
15 37,29	544	11	34,9
16 39,15	611,1	24,2	35
17 38,29	643,3	17,6	35,3
18 38,09	635,6	19,8	34,8
19 37,83	598,9	15,4	35,1
20 39,37	657	22	35,3
21 37,81	595,2	15,4	35,1
22 37,42	520	19,8	35,1
23 38,83	629,6	22	35,3
24 38,33	680	24,2	34,7
25 40,24	651,2	33	35,8

(a) Determine the regression equation.

(b) Conduct a global test of hypothesis to determine whether anyof the net regression coefficients are not equal to zero.

(d) Determine the residuals and plot them against the fittedvalues. Do you see any problems?

(e) Develop a histogram of the residuals. Do you see anyproblems with the normality assumption?

Comment

orchidbeetle975

Bounds Inc.has determined through regression analysis that itssales (S) are a
function ofthe amount ofadvertising (measured in units) in twodifferent media.
This is given by the following relationship(X=newspapers,Y=magazines):
S(X,Y) = 200X + 100Y - 10X^2 - 20Y^2 + 20XY
a. Find the level ofnewspaper and magazine advertising thatmaximizes the
firmâs sales.
I know how to do this part - I found the partial derivatives of Xand Y. Need help with part B.

b. Calculate the firmâs sales at the optimal values ofnewspaper andmagazine
advertising determined in part (a).

The answers log shows that we plug in values Y = 15 units and X =25 units. What I don't understand is where these values comefrom?

aquamarinewalrus936

The past 10 years have seen a number of changes in industries across the United States, but few have been hit as hard as the newspaper industry. From a loss of subscribers to a loss in advertising revenue, print newspapers are experiencing economic change unlike any other time in history. In 2009, Denverâs Rocky Mountain News stopped publishing in February, the Seattle Post-Intelligencer ceased printing their publication and converted to an online-only format in March (and in the process, laid off 145 of their 165 employees), McClatchy Co., owner of the Miami Herald, announced in March it was cutting 1,600 jobs and reduce wages throughout the company, and even the venerable New York Times made a deal to sell its share of its headquarters and lease it back, raising a much needed $225 million in the process. In May 2012, the 175-year-old New Orleans Times-Picayune reduced its print-edition publication from seven to three days a week, making New Orleans the largest city in the United States without a daily newspaper. This year in May, the Tampa Bay Times purchased and then immediately shut down its rival, the Tampa Tribune. Many cities have been impacted by newspapers either completely shutting down, cutting back on publication, or moving to online-only formats, including Cleveland, Detroit, Pittsburgh, Portland, Baltimore, Cincinnati, Albuquerque, and Honolulu. These are just a few of the many examples of hard times in this industry.

-Why do you think the newspaper industry has been hit so hard?

-What sources do you use to get news? Why?

-Do you subscribe to a local paper, and if so, do you receive a print copy or receive it electronically?

-How have changes in the news industry affected unemployment? Discuss how changes in this industry have resulted in not only cyclical unemployment, but also frictional and structural unemployment.

FILM 240 Lecture : Lesson 11 outline

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