The following data is looking at how long it takes to get to work. Let x = commuting distance (miles) and y = commuting time (mi
nutes) x 15 16 17 18 19 20 y 42 35 45 42 49 46
a. Give a scatterplot of this data and comment on the direction, form and strength of this relationship.
b. Determine the least-squares estimate equation for this data set.
c. Give the r2, comment on what that means.
d. Give the residual plot based on the least-squares estimate equation.
e. Test if this least-squares estimate equation specify a useful relationship between commuting distance and commuting time.
a. Give a scatterplot of this data and comment on the direction, form and strength of this relationship.
b. Determine the least-squares estimate equation for this data set.
c. Give the r2, comment on what that means.
d. Give the residual plot based on the least-squares estimate equation.
e. Test if this least-squares estimate equation specify a useful relationship between commuting distance and commuting time.
1 answer:
You might be interested in
Substitute 51/5x into
Substitute that into
Hope this helps. Answer should be correct. Unless your quadratic equation is wrongly stated.