1. Topic: Statistics – 4/14 Objective: Students will be able to construct a histogram from a set of data HW: handout Crater Lake National Park, Oregon

2. Mental Math #1 – Surface Area The volume of this cube is 64 cubic cm. Find the surface area Use the volume formula to find s, and then solve for SA!

3. Mental Math #2 – Graphing Lines Which lines have positive slopes? Which lines have negative slopes? B, C A Find the y-intercept of line C -5 Find the slope of line C Find the equation of line C y = mx + b y = 1x + -5 y = x - 5

4. Healthy Resting Heart Rate (beats/min) Age Low end healthy rate High end healthy rate 15 years 102172 18 years 101171 20 years 100170 25 years 98166 30 years 95162 40 years 90153

5. Healthy Exercising Heart Rate (beats/min) Age Low end healthy rate High end healthy rate 15 years 175235 18 years 172232 20 years 170230 25 years 165225 30 years 160220 40 years 150210