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categoryإحصاء schoolبكالوريوس event_available2026-07-14

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The table below shows the average weekly wages (in dollars) for state government employees and federal government employees for 10 years. Construct and interpret a 90% prediction interval for the average weekly wages of federal government employees when the average weekly wages of state government employees is $879. The equation of the regression line is y = 1.369x+32.849. Wages (state), x Wages (federal), y 705 1,018 770 783 801 858 869 1,061 1,108 1,143 1,181 1,230 1,283 926 930 1,307 950 1,341 989 1,403 Construct and interpret a 90% prediction interval for the average weekly wages of federal government employees when the average weekly wages of state government employees is $879. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to the nearest cent as needed.) OA. We can be 90% confident that when the average weekly wages of state government employees is $879, the average weekly wages of federal government employees will be between $☐ and $ B. There is a 90% chance that the predicted average weekly wages of federal government employees is between $☐ and $, given a state average weekly wage of $879.

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