80 likes | 253 Views
Ch.3 HW. 1. Take out HW 2. Take out a pen (NOT THE SAME COLOR AS YOUR HW if you completed it in pen). 3. Correct your answers. Pg. 146-148 #14-19, 23, 26. 14) false 15) false 16) true 17) false 18) false 19) false
E N D
Ch.3 HW 1. Take out HW 2. Take out a pen (NOT THE SAME COLOR AS YOUR HW if you completed it in pen). 3. Correct your answers
Pg. 146-148 #14-19, 23, 26 • 14) false • 15) false • 16) true • 17) false • 18) false • 19) false • 23) a. twice; b. 4 times greater, no; c. bars need to be equal width so the data does not look misleading/cause visual confusion • 26) ….see next slide….
Pg. 111 #3-12 odd; (19-22;23 challenge) Answers listed as mean, median, mode(s), range 3) 33; 38; 38; 25 5) 437; 502; 502; 410 7) 51; 46; 23 & 46; 58 9) 2.3; 2.8; no mode; 4.6 11) 5.2; 5.2; 5.2; 0.2 19) 3 20) 12 21) 7 22) 8.6 23) 10; 13; 15; 21; 21
Pg. 120-121 #3-6; 8-11 (pick 2); 12-14; 15; 17 • 3) 27 • 4) 24 • 5) canned drinks • 6) bottled drinks • 8-11) …..see next slide……. • 12) $300 • 13) 1997-1999 • 14) $20 • 15) c • 17) no, b/c although the increments are of 40, there is a break in the vertical (y) axis between 0 and 200, so the point in 2001 is not as close to the horizontal (x) axis as it appears.
Pg. 122-123 #21; 29; 30 & pg.125 #4 • 21) c • 29) ….see next slide… • 30) 1988 for women and 1996 for men; 1984 for women and 1992 for men….possible answer: the increase in distances implies that a peak distance was reached, possibly a record was broken and the decrease in distances in the following years implies that the record was not broken