Use the information below to answer the PULL STRENGTH questions thatfollow.Data from "Applied Statistics and Probability for Engineers", Fourth Edition, byDouglas C. Montgomery & George C. Runger.The Excel multiple regression output below is for predicting pull strengthfrom wire length and die height.MULTIPLE REGRESSION EXCEL OUTPUT (PULL STRENGTH)SUMMARY OUTPUTRegression StatisticsMultiple R0.990523843R Square0.981137483Adjusted R Square 0.979422709Standard Error2.288046833Observations25ANOVAdfSMSSignificance FRegression5990.7712212995.385611 572.16715031.07546E-19Residual22115.1734828 5.235158308Total246105.944704Coefficients Standard Errort StatP-valueLower 95%Upper 95%Intercept2.263791434 1.060066238 2.1355188510.044099450.0653486234.462234246Wire Length2.744269643 0.093523844 29.342994383.90691E-192.5503130622.938226225Die Height0.012527811 0.002798419 4.476746229 0.0001882660.006724246 0.018331377 PULL STRENGTHWhich of the following is a correct interpretation of the wire length slope?The pull strength is expected to increase by 1 unit for every 2.744 units increasein wire length, when die height is one unit.O The pull strength is expected to increase by 1 unit for every 2.744 units increasein wire length, when die height is zero units.The pull strength is expected to increase by 2.744 units for every unit increase inwire length, when die height is kept constant.The pull strength is expected to increase by 2.744 units for every unit increase inwire length, when die height is one unit.The pull strength is expected to increase by 1 unit for every 2.744 units increasein wire length, when die height is kept constant.The pull strength is expected to increase by 2.744 units for every unit increase inwire length, when die height is zero units.

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Description: Use the information below to answer the PULL STRENGTH questions thatfollow.Data from "Applied Statistics and Probability for Engineers", Fourth Edition, byDouglas C. Montgomery & George C. Runger.The Excel multiple regression output below is for pre

In a linear equation of the form, y=b0+b1x1+b2x2, the y-intercept is b0. where,y^=Pull strengthx1=wire lengthx2=die height Based on the provided, the equation of linear model for the multiple regression equation is y^=2.2638+2.7443x1+0.0125x2.Interpretation of slope: The dependent variable y (Pull strength) is changed by 2.744 (wire length) units if one-unit changes in independent variable wire strength with die height variable as constants. Therefore, the correct answer is, “The pull strength is expected to increase by 2.744 units for every unit increase in wire length, when die height is kept constant.”

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Which of the following is a correct interpretation of the wire length slope? O The pull strength is expected to increase by 1 unit for every 2.744 units increase in wire length, when die height is one unit. The pull strength is expected to increase by 1 unit for every 2.744 units increase in wire length, when die height is zero units. O The pull strength is expected to increase by 2.744 units for every unit increase in wire length, when die height is kept constant. O The pull strength is expected to increase by 2.744 units for every unit increase in wire length, when die height is one unit. O The pull strength is expected to increase by 1 unit for every 2.744 units increase in wire length, when die height is kept constant. O The pull strength is expected to increase by 2.744 units for every unit increase in wire length, when die height is zero units.

Which of the following is a correct interpretation of the wire length slope? O The pull strength is expected to increase by 1 unit for every 2.744 units increase in wire length, when die height is one unit. The pull strength is expected to increase by 1 unit for every 2.744 units increase in wire length, when die height is zero units. O The pull strength is expected to increase by 2.744 units for every unit increase in wire length, when die height is kept constant. O The pull strength is expected to increase by 2.744 units for every unit increase in wire length, when die height is one unit. O The pull strength is expected to increase by 1 unit for every 2.744 units increase in wire length, when die height is kept constant. O The pull strength is expected to increase by 2.744 units for every unit increase in wire length, when die height is zero units.

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Mean, Median, Mode

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Z-Scores

A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.

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Question

PULL STRENGTH
Which of the following is a correct interpretation of the wire length slope?
The pull strength is expected to increase by 1 unit for every 2.744 units increase
in wire length, when die height is one unit.
O The pull strength is expected to increase by 1 unit for every 2.744 units increase
in wire length, when die height is zero units.
The pull strength is expected to increase by 2.744 units for every unit increase in
wire length, when die height is kept constant.
The pull strength is expected to increase by 2.744 units for every unit increase in
wire length, when die height is one unit.
The pull strength is expected to increase by 1 unit for every 2.744 units increase
in wire length, when die height is kept constant.
The pull strength is expected to increase by 2.744 units for every unit increase in
wire length, when die height is zero units.

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