Here is part of a train timetable: a)
Westchester
06 00
06 30
08 15
A train leaves Westchester at
06 30. What time should it
arrive at Middlewich?
06 12
06 42
Northton
08 27
06 21
06 51
Middlewich
08 36
b) Kate lives in Northton.
She works in Southam and a
starts work at 9am.
What is the time of the latest
train that she can catch to get
to work on time?
Eastwick
06 34
07 04
08 49
Southam
06 49
07 19
09 04
c)
How long does the train take to
travel from the Westchester to
Eastwick?

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 5 11 14 which of the following is a scatter diagrams accurately represents the data? what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? try to approximate the relationship betwen x and y by drawing a straight line through the data. which of the following is a scatter diagrams accurately represents the data? develop the estimated regression equation by computing the values of b 0 and b 1 using equations (14.6) and (14.7) (to 1 decimal). = + x use the estimated regression equation to predict the value of y when x = 4 (to 1 decimal). =