Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.

Get a Professional Answer

Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.

100% Satisfaction Guarantee

Rate the answer you receive.

Ask Ryan Your Own Question

Ryan, Engineer

Category: Calculus and Above

Satisfied Customers: 9077

Experience: B.S. in Civil Engineering

40260889

Type Your Calculus and Above Question Here...

Ryan is online now

The torque, T Nm, required to rotate shafts of different

Customer Question

The torque, T Nm , required to rotate shafts of different diameters, D mm, on a machine has been tested and recorded as below. D (mm) 6 10 14 18 21 25 T (mm) 5.5 7 9.5 12.5 13.5 16.5 a) Plot a scatter diagram of the results with diameter of the machine as the independent variable. b)Use the method of least squares to determine the linear regression equation that relates the torque to the diameter. c) Estimate the value of torque required when the diameter is 16 mm. d) Calculate the coefficient of correlation between these variables and comment on your prediction obtained in (c)