Construct a 90% prediction interval for the total assets in federal defined benefit plans in Exercise 18
Question:
Construct a 90% prediction interval for the total assets in federal defined benefit plans in Exercise 18 when the total assets in IRAs is $6200 billion.
Construct the indicated prediction interval and interpret the results.
Data from Exercise 18:
The table shows the total assets (in billions of dollars) of individual retirement accounts (IRAs) and federal defined benefit (DB) plans for ten years. The equation of the regression line is ŷ = 0.140x + 453.959.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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