Answer to Question #344165 in Statistics and Probability for Ryan

Question

question2:

Force (N) 0 20 40 60 80

Length (mm) 22 110 215 330 410

Use the table of measurements of length and

force that you have been supplied with to

complete the following activities:

(a) Draw a scatter graph for your given data.

Describe what the scatter graph is indicating.

(b) Use the scatter graph to estimate the

length for a force of 57N

(c) Calculate the line of regression of

extension on force (Y on X)

(d) Calculate the regression coefficient

(e) Explain what the regression coefficient

indicates?

(f) Use the equation for the line of regression

to predict the length for a force of 57N

(g) Compare the calculated value with the

value that you have determined from the

scatter graph.

Answer 1

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