The table shows the total square footage (in billions) of retailing space at shopping centers and their sales (in billions of dollars) for 10 years. Construct a 90% prediction interval for sales when the total square footage is 5.4 billion. The equation of the regression line is y=521.806x-1722.231. Total Square Footage, x Sales, y 4.9 5.1 5.2 5.3 5.6 5.8 5.7 5.8 6.1 61 865.9 936.6 975.9 1066.9 1117.9 1221.9 1295.1 1331.6 1431.6 1546.7 C

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