1. Go to the Money section of USA Today\'s web site and search for reports on st

Question

1.     Go to the Money section of USA Today's web site and search for reports on stocks, financial variables, and economic conditions. Ask yourself whether the data you are inspecting represents the entire population or is simply a sampling. Also, investigate any graphical analyses presented on these data.

Web Site: http://www.usatoday.com/money/mfront.htm

2.     The Gallup organization releases the results of recent polls at its website, www.gallup.com. Go to this site and read an article of interest.

a.      What is the title of the article?

b.     Identify the problem investigated by

c.      Describe the population of interest by looking at survey methods.

d.     Describe the sample that was collected by looking at survey methods.

Explanation / Answer

2.

I am going through this site "http://www.gallup.com/poll/217346/trump-job-approval-stabilizing-lower-level.aspx?g_source=Politics&g_medium=newsfeed&g_campaign=tiles" at gallup.com

a. Title - Trump's Job Approval Stabilizing at Lower Level

b. Problem - how isTrump' job approval trending with time? Is it rising or falling? How does it compare to other presidents ' rates?

c. The below was the population of interest:

National adults, living in all 50 U.S. states and the District of Columbia above 18 years of age.

d. Here' ( in highlighted) the sample' definition as given in the sampling method on this page:

Results for this Gallup poll are based on telephone interviews conducted Aug. 21-27, 2017, on the Gallup U.S. Daily survey, with a random sample of 3,541 adults, aged 18 and older, living in all 50 U.S. states and the District of Columbia. For results based on the total sample of national adults, the margin of sampling error is ±2 percentage points at the 95% confidence level. All reported margins of sampling error include computed design effects for weighting.

Each sample of national adults includes a minimum quota of 70% cellphone respondents and 30% landline respondents, with additional minimum quotas by time zone within region. Landline and cellular telephone numbers are selected using random-digit-dial methods.

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