Lab 1-Math & Environmental Science DIRECTIONS: Use a pencil and ruler for constructing graphs. Be sure to include appropriate title, labels, and scales on all graphs. Include units on answers and be sure to answer to the listed decimal place when listed. 1. Construct a bar graph for the following pH data for water samples. (HINT: expand the y-axis) Test Tube # A PH 7.5 B 6.8 C 8.1 D E 858 877 13 7.0 7.3 2. Use the following data and given the assumptions listed below, construct a line graph and a paired bar graph Fall Semester Month September 18 Spring Semester Science Grade Exam 1-96 October 18 Exam 2=92 Month February 19 March 19 Science Grade Exam 1 = 81 Exam 2 85 November 18 Exam 3 = 86 December 18 Exam 4-76 April 19 May 19 Exam 3-79 Exam 4-95 LINE GRAPH-assume these grades represent performance of one student over two semesters in one academic year PAIRED BAR GRAPH-compare average grades assuming two groups of students taking the same course in sequential semesters