math help

posted by .

okay can someone set this up for me and help me understand it please.I tried it but i am clueless please show me how to solve this?

The number of banks in the United
States has dropped about 30% since 1992. The following
data are from a survey in which x represents the years
since 1900 and y corresponded to the number of banks, in
thousands, in the United States.†

"e"= this symbol i willuse to represet that weird E for correlatlion

n=10 "e" x^2 = 93205
"e" x = 965 "e"xy=9165.10
"e"y = 95.3 "e"y^2= 920.47

a) find an equation of the least square line.

I used the equation that goes like this: r = (10 (9165.10)-(965)(95.3))/sqrt 10(93205)- (965)^2 - sqrt 10(920.47) - (95.3)^2

and what i came up with was -0.986 but then this would be for high correlation.

b)If the trend continues,how many banks will there be in 2004?
c) Find and interpret the coefficient of correlation?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. U.S. History 1865

    Can someone please help me with this question?
  2. chemistry

    This question I really don't get it. I tried tried tried to figure out how to start solve the problem but still couldn't figure out. So can you help me with one question PLEASE?
  3. macroeconomics

    One of the main results of the Depository Institutions Deregulation and Monetary Control Act of 1980 may be to: A. lessen the number of financial institutions in the United States. B. increase the number of financial institutions in …
  4. history

    Do you think that the Korean War was merely a civil war in which the United States supported one side, or should it be considered an international war in which the United States used the United Nations to further its anticommunist …
  5. Algebra 2

    For the period 1990-2002, the number s (in thousands)lf cellular telephone subscribers in the United States can be modified by S=858t^2 + 1412t + 4982 where t is the number of years since 1990. In what year did the number of subscribers …
  6. math ergent please please...

    10.a)Solve the inequality x^3-5x^2+2x+8<0 by i) using intervals ii) considering all cases I did this but my teacher said that when i solved this: x^3-5x^2+2x+8<0 (x+1)(x^2-6x+8) (x+1)(x-4)(x-2)<0 She told me to show all the …
  7. Science

    The current population in the United States is 318,968,000. The rate is .72. What will the population be in the United States in 10 years?
  8. History

    8.)How did the case of McCulloch vs. Maryland affect economic practices in the United States?
  9. Social Studies

    In the text, You read this about the bank of the united states: The bank of the united states had been a subject of dispute since its early days. The bank had greate over the nations banking system because it controlled loans made …

    1. How did the Iranian Revolution impact the United States?

More Similar Questions