Question: A polling organization is checking its database to see if the two data sources it used sampled the same ZIP codes. The variable Datasource =

A polling organization is checking its database to see if the two data sources it used sampled the same ZIP codes. The variable Datasource = 1 if the data source is MetroMedia, 2 if the data source is DataQwest, and 3 if it's RollingPoll. The organization finds that the correlation between five-digit ZIP code and Datasource is -0.0229. It concludes that the correlation is low enough to state that there is no dependency between ZIP Code and Source of Data. Comment.

Step by Step Solution

★★★★★

3.48 Rating (171 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Even though zipcodes are numbers they are categorical variables represen... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

662-M-S-L-R (6301).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Hazing within college fraternities is a continuing concern. Before a national meeting of college presidents, a polling organization is retained to conduct a survey among fraternities on college...

A polling organization interviewed by phone 400 randomly selected fans about their opinion on random drug testing of professional baseball players and found that 68% favored such a regulation. a....

A political polling organization is to conduct a poll of likely voters prior to an upcoming election. Each voter is to be interviewed in person. It is known that the costs of interviewing different...

Sample survey A polling organization is checking its database to see if the two data sources it used sampled the same ZIP codes. The variable Datasource = 1 if the data source is MetroMedia, 2 if the...

Sample survey. A polling organization is checking its database to see if the two data sources it used sampled the same zip codes. The variable if the data source is MetroMedia, 2 if the data source...

40. Sample survey A California polling organization is checking its database to see if the three data sources they used sampled the same zip codes (five-digit U.S. postal codes). The variable...

38. Sample survey A polling organization is checking its database to see if the two data sources it used sampled the same ZIP codes. The variable Datasource = 1 if the data source is MetroMedia, 2 if...

A particle is moving at a speed less than c/2. If the speed of the particle is doubled, what happens to its momentum?

Find the least integer n such that f (x) is O(xn) for each of these functions. a) f (x) = 2x3 + x2 log x b) f (x) = 3x3 + (log x)4 c) f (x) = (x4 + x2 + 1)/(x3 + 1) d) f (x) = (x4 + 5 log x)/(x4 + 1)

Which of the following statements about the Reflection API in Java is true? The Reflection API allows you to create new classes at runtime. The Reflection API provides a mechanism to read and write...

12-26. No. Long-term capitalization, the major source of funds, including long-term debt, is presented first. Current liabilities are quite unimportant.

Refer to the following diagram. a. What is the graph called? b. What are the median, and first and third quartile values? c. Is the distribution positively skewed? Tell how you know. d. Are there any...

1. Develop a graph or table that portrays the checking balances. What is the balance of a typical customer? Do many customers have more than $2,000 in their ac-counts? Does it appear that there is a...

Wildcat Plumbing Supply has served the plumbing needs of Southwest Arizona for more than 40 years. The company was founded by Mr. Terrence St. Julian and is run today by his son Cory. The company has...

Consider a firm with an EBITDA of $ 1 , 1 0 0 , 0 0 0 and an EBIT of $ 1 , 0 0 0 , 0 0 0 . The firm finances its assets with $ 4 , 7 2 0 , 0 0 0 debt ( costing 7 . 7 percent, all of which is tax...

Suppose you are holding a long position in a French franc futures contract that matures in 76 days. The agreed-upon price is $0.15 for FF 250, 000. At the close of trading today, the futures price...

A stock has had the following year-end prices and dividends Year Price Dividend 1$43.37 3 5 48.35 $.60 57.27 45.35 52.27 61.35 63 80 85 93 What are the arithmetic and geometric returns for the stock?...