Following Exercises 14.6 and 14.7, express the two-sample Hodges–Lehmann estimator ˆ as the root of a test statistic and compare this approach to hl2qst. Write a divide-and-conquer algorithm to...

Following Exercises 14.6 and 14.7, express the two-sample Hodges–Lehmann estimator ˆ as the root of a test statistic and compare this approach to hl2qst.

Write a divide-and-conquer algorithm to compute the 25% trimmed mean, the average of the middle half of the data.