Correlation To determine how the number of housing starts is affected by mortgage rates an economist recorded...

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Statistics

Correlation

To determine how the number of housing starts is affected bymortgage rates an economist recorded the average mortgage rate andthe number of housing starts in a large country for the past 10years. These data are listed here.

RateStarts
year #18.5115
year #27.8111
year #37.6185
year #47.5201
year #58206
year #68.4167
year #78.8155
year #88.9117
year #98.5133
year #108150

         

  1. What is the dependent and independent variable?

  1. Prepare a scatter plot. What is the direction ofcorrelation?
  1. What is the equation of the regression line?

  1. What is the coefficient of determination (r2) andinterpret the meaning of it?

  1. Calculate the correlation coefficient (r) and interpret themeaning of it.

  1. Predict the number of housing starts if the interest rate is8.65.

  1. Would it be possible to use this regression model to predictthe number of housing starts for an interest rate of 2.45?Why?

Answer & Explanation Solved by verified expert
3.9 Ratings (569 Votes)
a Here we need to determine how the number of housing starts isaffected by mortgage ratesHence mortgage rates is independent variable and number ofhousing starts is dependent    See Answer
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