Question

Given the following sample observations are: -6 285 122 156 19 123 a. Does the relationship between the variables appear to be linear? (Click to select) b. Compute the coefficient of correlation (Negative answer should be indicated by a minus sign. Round the final answer to 4 decimal places.) The Coefficient of Correlation c. Determine the standard error of estimate. (Round the final answer to 3 decimal places.) The standard error of estimate

Answer 1

Sal! x Y XY x२ 6 O 732 36 6 ~6 285 |२२ 156 105 ५२ 81225 14884 24336 361 ।5।29 -936 -17) 36 81 -.9 O 0 123 O Lx = - 9, TY - +05 , EX) = -375, Ex२ - 153, }} = 1359 3S , m - S (a) Yo (6) The carrelation caefficient is - 6 - m. EXY-Ex. FY EnEx२ =4Ex)] [n Ey२ - (Ev}] 5* (-375) - (-g) * +05 [5* 153 - (-१)] x [5*135935 -१०s)]] ܐܐ 0.399g 1- ४२ (c) standard. error = Plear 1- (0.3999) 5-2 m-2 0.52917 27 ॥ 0.529 PPY