$1.[$Total: $9$ points$]$ Follow the steps below to build and present a frequency distribution for dbh in quaking aspen.

a$.*[1$ point$]$ After you read in the data, use the filter $()$ and arrange$()$ functions from the dplyr package to create a new data frame that contains only data for quaking aspen trees and has the rows arranged in order of increasing dbh $($i$.$e$.,$ the first row has the smallest tree, the last has the largest$).$ Tutorial $2$ explains how to run these operations, but if you have difficulty, post a question on Brightspace Discussion Forums. Once you have sorted the data, report the last five values here.