Question 5 0/1 pt 9 3 0 Details The boxplot below shows salaries for Construction workers and Teachers. Construction Teacher 20 25 30 35 40 45 50 Salary (thousands of $) C If a person is making the median salary for a construction worker, they are making more than what percentage of Teachers? They are making more than % of Teachers.0 Question 3 B 0/1 pt '0 3 6) Details Here is a data set: The goal is to construct a grouped frequency distribution table (GFDT) for this data set. The GFDT should have 10 classes with a "nice" class width. Each class should contain its lower class limit, and the lower class limits should all be multiples of the class width. This problem is to determine what the class width and the first lower class limit should be. What is the best class width for this data set? optimal class width = What should be the first lower class limit? 1st lower class limit = . Question 4 B 0/1 pt '0 3 6) Details During one shift, the express lane clerk recorded how many times customers violated the "10 items or less" rule for his lane. In particular, he recorded how many items over the limit each violator placed on the conveyor belt. This data is summarized in the histogram below. NOTE: The last class actually represents "7 or more items," not just 7 items. NH... l\\J~L\\ h... CD _ F Frequency [\\chhoo I I I 0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 # items over 10 What is the frequency of times the limit was exceeded by more than 1 item? ans =