Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The data below are for the number of unemployed persons (in millions)and the federal unemployment insurance payments (in billions of dollars)for the years 1978-1985.Some economists state that these two variables are positively related.
-For a given value of x,which will be wider,a 90% confidence interval or a 90% prediction interval? Explain.
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