MAT 120 - FALL 2009
QUIZ AND PRACTICE PROBLEMS HISTORY

QUIZ /TEST	DATE	Practice Problems Due
Quiz #1	Thursday September 17	Material covered –Thursday, Sept 3: Intro to Stats, terms –Tuesday, Sept 8: Experiment, Observational, terms –Thursday, Sept 10: Plots, Graphs, and Tables, terms Practice Problems due (please put in this order) Page 11 #3, 5, 7 Page 19 #11, 13, 15ab Page 31 #3, 7 Page 41 #21 Page 49 #33ab, 37 Page 54 #43, 45, 49 Page 19 #21 Page 113 #24, 25, 27bc, 29, #30ab (also make a histogram) A) Physicals are given to the 21 members of the United States Mens’ National Soccer team and there weights are recorded. •153 215 184 164 171 •191 149 182 174 166 •169 175 199 200 195 •224 210 174 176 183 •182 •Make a stem-and-leaf plot of these data. B) Tel-a-Message is experimenting with computer-delivered telephone advertisements. Of primary concern is how much of the 4-minute advertisement is heard. A study was done to see how long the advertisement ran before the listeners hung up. A random sample of 30 calls gave the following times. • 1.3 0.7 2.1 0.5 0.2 2.3 3.2 • 1.4 3.1 2.5 0.6 0.5 1.5 0.8 • 1.5 0.4 4.0 2.3 1.2 2.4 2.3 • 3.2 4.0 3.8 0.3 1.1 0.4 0.6 •Make a stem-and-leaf plot of these data.
Quiz #2	Thursday September 24	Material Covered will be from the following class days. Tuesday, Sept 15: Mean, Median, Range, Lower and Upper Quartiles,  Interquartile Range, Skeletal and Modified Boxplots, Outliers Thursday, Sept 17: Measures of Spread, Standard Deviation Practice Problem Set #2 is due also (in the following order): Page 156 #1, 3ab, 5 Page 174 #29ab, 31, 35 (ignore term ?extreme outliers?) Page 166 #17, 20, 21, 23
Test #1	Thursday October 1	Page 183 #37, 41, 43abc Page 207 #1, 10a Page 217 #19, 20, 22, 26, 27 Test Review Sheet and Answer Key
Quiz #3	Tuesday October 20	Page 286 #3, 5, 11 Page 300 #17, 19, 21, 25 Page 310 #33, 37, 39a Page 320 #41, 45, 47, 49, 57