Find and interpret the correlation coefficient

Assignment Help Mathematics

Reference no: EM131207249

Digital Cable Subscribers The number of subscribers to dig- ital cable television has been growing steadily, as shown by the

following table. Source: National Cable and Telecommuni- cations Association.

Year	2000	2002	2004	2006	2008
Customers (in millions)	8.5	19.3	25.4	32.6	40.4

a. Find an equation for the least squares line, letting x equal the number of years since 2000.

b. Based on your answer to part a, at approximately what rate is the number of subscribers to digital cable television growing per year?

c. Use your result from part a to predict the number of digital cable subscribers in the year 2012.

d. If this trend continues linearly, in what year will the number of digital cable subscribers ?rst exceed 70 million?

e. Find and interpret the correlation coefficient.

Reference no: EM131207249

Questions Cloud

Development of health insurance in the united states : In a two to three page paper, explain the development of health insurance in the United States. Include a brief discussion as to the current state of both traditional health insurance and managed care. Is traditional health insurance still a viabl..

Will it affect the overall credibility of your agency : Is it possible that you could lose some really good personnel who only messed up once in their whole career? What effect will such a drastic measure have on the personnel's families? If you keep them, will it affect the overall credibility of your ag..

Investment opportunities-sources of competitive advantage : Use the Target Corp. Examine the investment opportunities and sources of competitive advantage. Prepare that discusses the following items.

Why is a diamond colorless but graphite is black : Why is a diamond colorless but graphite is black? Which has more calories and which is better for you? An 8 ounce glass of whole milk? Or an 8 ounce glass of 1% chocolate milk?

Find and interpret the correlation coefficient : If this trend continues linearly, in what year will the number of digital cable subscribers ?rst exceed 70 million?

Unemployment and compare to forecast for next five years : Analyze the history of changes in GDP, savings, investment, real interest rates, and unemployment and compare to forecast for the next five years. Discuss how government policies can influence economic growth.

The employees are entitled to a pension : After reading the company’s background information in each scenario, complete the corresponding tasks. Bright company has several employees. The employees are entitled to a pension, which is set up as a defined contribution plan. Based on a formula, ..

What might be seen in a police department general order : Recently, your police department has received media coverage and community activist criticism because of the detective bureau's techniques of interrogation. Your chief of detectives has assigned you to develop a general order for the chief of poli..

General term for the geometric sequence modeling : Company A offer 30,000 the first year. During the next four years, the salary is guaranteeed to increase by 6% per year. Company B offers 32,000 the first year, with guaranteed annual increases of 3% per year after that. Which company offers the b..

User Account

All Pages