A claim is made that there is no correlation between fuel efficiency and cargo capacity in pickup trucks. A sample of 9 models of pickup trucks were ranked according to their fuel efficiency and their cargo capacity. These ranks are given in the table below. Model Fuel Efficiency Cargo Capacity A 4 2 B 8 w UT C 4 D 2 5 E 8 3 F 9 7 G 6 9 H 6 Round your answers to 3 places after the decimal point, if necessary. (a) Find the value of the (Spearman's) rank correlation coefficient test statistic. Test statistic: I's - (b) Find the critical values of (Spearman's) rank correlation coefficient if this test is conducted at the 0.2 significance level. Do not type " # " in front of your answer (the : is already given in front of the answer box below). Critical values: I's = (c) What is the correct conclusion of this test