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(1 point) A physics student wants to measure the stiffness of a spring (force required per cm stretched). He knows that according to Hookes law, there is a linear relationship between the distance a spring is stretched and the force needed to stretch the spring. He collects some data by measuring the force applied to the spring when he stretches the spring by some amount. The plot and the least squares fit is given below Force versus Distance Stretched 0 2 4 8 10 Distance the Spring is Stretched (cm) From the regression model, the intercept was found to be -2.532 and the slope was found to be 25.321 Part i) The stiffness of the spring was predicted to be A. 125.84 B. -9.961 C. 25.321 D. 50.642 E. -2.532

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Gie daka 0a Pe data 31、7- w325, 3리 ven ati ofY--253) 十 25.32(X distanca. eabure

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