The table for part (a) shows distances between selected cities and the cost of a business class train ticket for travel between these cities. Complete parts (a) through (c) below. a. Calculate the correlation coefficient for the data shown in the table by using a computer or Distance (in miles) Cost (in $) statistical calculator. 964 189 3097 409 r= (Round to three decimal places as needed.) 2020 275 416 93 2980 456