Question

The table contains data on the mileage displayed on a bicycle odometer as it relates to the number of days since the bicycle was purchased. Using the Scatter Plot tool, find the value of the correlation coefficient for this data set.




0.8




1.0




0.3




0.1

Answer 1

Number of Days Since Purchase Mileage Displayed on Odometer
15 67
25 122
35 164
45 210
55 247
this is the graph for it

Answer 2

whats the scatter plot tool?

Answer 3

idk its wont let me click on it

Answer 4

@perl

Answer 5

do you have a TI 83?

Answer 6

no

Answer 7

unfortunately @perl

Answer 8

ok ill plug it into my calculator

Answer 9

ok?

Answer 10

do you have excel, you can do it with excel, i think

Answer 11

ok thanks that would be awesome @perl

Answer 12

I got r = .997 , that rounds to 1.0

Answer 13

r = .9978

Answer 14

its virtually on a line

Answer 15

the data fits very nearly on a line

Answer 16

thamks you got it right @perl