Answered: s the average weekly wages (in…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

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 98% prediction interval for the average weekly wages of federal government employees when the average weekly wages of state government employees is $878.The equation of the regression line is y=1.342x+55.816.

Wages [state]- 712, 746, 786, 803, 841, 879, 918, 926, 954, 979

Wages [federal]- 1,024, 1,048, 1,098, 1,135, 1,195, 1,240, 1,270, 1,299, 1,340, 1,376

Construct and interpret a 98% prediction interval for the average weekly wages of federal government employees when the average weekly wages of state government employees is $878. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to the nearest cent as needed.)

PICK THE CORRECT ANSWER

[A] We can be 98% confident that when the average weekly wages of state government employees is $878, the average weekly wages of federal government employees will be between $____ and $_____.

[B] There is a 98% chance that the predicted average weekly wages of federal government employees is between $____ and $____ given a state average weekly wage of $878.

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