You may need to use the appropriate technology to answer this question. Consider the data. x- 2 6 9 13 20 Y; 9 17 9 2? 22 (a) What is the value of the standard error of the estimate? (Round your answer to three decimal places.) :I (b) Test for a signicant relationship by using the ttest. Use a: = 0.05. State the null and alternative hypotheses. O H0:,61 a; 0 Ha: ,8] = I) 0 H0313] = 0 Ha: ,8] i 0 O H0: 30 = 0 Ha: 180 i 0 O H0: 30 a; 0 Ha: ,60 = I) O HO: ,6] 2 0 Ha: ,8]