Name Anastasiya Chopna Math 50 - Section 3.4 Instructor Histograms Date_ July 1 2021 1. The author surveyed some of the students in one of his statistics classes about the numbers of hours they work per week. Their responses are described by the histogram below. Write all answers in a sentence and use the appropriate units when necessary. Time Spent Working per Week Frequency 2 10 15 20 25 30 Hours a) What variable is described by the histogram? Is it discrete or continuous? b) How many of the students work between 15 and 25 hours per week? c) How many of the students work at least 20 hours per week? d) What proportion of the students work less than 15 hours per week? 79