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MyStatLab My Courses Course Quizzes & Tesls Study Plan Gradebook StatCaunch Chapter Contents Tools for Success Multimedia library Purchase Cylions Pearson Tutor Services Discussions Course Tools Spring2017-Online-STAT IXder 4 Coul rse Home Spring2017-Online-STAT Didier Paultre Save Homework: Section 9.3 Homework HW Score: 33%, 1.65 of 5 pts Score: 0 of 1 pt 5 of 5 complete) 9.3.27-T EQuestion Help The table bodow shows the amounts of cnuc ousands of barrels per day)produccd by a country and the amounts of crude oi ousands of barrels per d imported by a country for the last seven years. C onsmrt and 90s prediciu unt ui uude nparted by Ule th pruduoed by th y is 5,502 per day. country equali ol produced, x 9.14B Oil imporled, y prel a 90 predidi interval ount of aude imparted when the amuunt ur crude al produced by th cuxurity is 5.602 thu nd barrels per day Select the boxes complete yol choice. Round to the ram A. we can be confide ntthat when the amount of oil procuoed is 5,502 thousand barrels, the amountof oil imported will be between O B. There is a a 90% chance thal the predicted amour of oi ported is bel and thousand barrels when there are 5,502 thousand Lafrel produced Click lo sck cl and enter your a and then cick Chcok Answer. All parts showing Clear A

Explanation / Answer

The staitstical software output for this problem is:

Simple linear regression results:
Dependent Variable: Oil provduced, y
Independent Variable: Oil produced, x
Oil provduced, y = 16124.083 - 1.1643989 Oil produced, x
Sample size: 7
R (correlation coefficient) = -0.87295032
R-sq = 0.76204226
Estimate of error standard deviation: 230.07878

Parameter estimates:

Analysis of variance table for regression model:

Predicted values:

Hence,

A) We are 90% confident that when the amount of oil produced is 5502 thousand, theamount of imported oil will be between 9219.76 and 10215.36

Parameter Estimate Std. Err. Alternative DF T-Stat P-value Intercept 16124.083 1580.3884 0 5 10.202608 0.0002 Slope -1.1643989 0.29098942 0 5 -4.0015165 0.0103

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