Homework Help: math

Posted by winta on Sunday, July 5, 2009 at 6:41pm.

A. Draw a scatter plot
B. Find the value for r.
C. Test the significance of r at the 5% level and at the 1% level.
D. find the equation of the regression line and draw the line on the scatter plot, but only if r is significant.
E. Describe the nature of the relationship if one exists.

A researcher wishes to determine whether the number of hours a person jogs per week is related to the person’s age.

Age,x 34 22 48 56 62
Hours,y 3.5 7 3.5 3 1

Predict y when x = 35

math - drwls, Sunday, July 5, 2009 at 7:53pm
We cannot provide graphs or scatter plots for you with the tools available here. It appears also that your question is incomplete. There is not enough data to make a plot or compute a sigificance number.

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