Question

Statistics Worksheet1 Due at the beginning of class on Tuesday, January 29. This worksheet will count as two online homework grades. 1.) Here are the winning margins for the first 42 Super Bowl games (for example the 25 means that the winning team scored 25 more points than the losing team in that Super Bowl): (Already entered in In Class Data Sets) 25, 19,9,16,3,21,7,17,10,4,18, 17,4, 12,17,5,10,29,22,36, 19,32, 4,45,1, 13,35,17,23,10, 14,7,15,7,27,3,27,3,3,11,12,3 a.) Form a table showing the class limits, class boundaries, frequency, and relative frequency with 6 classes. Relative Frequency Class Limits Class Boundaries Frequency Class width b.) Find the mean and standard deviation using StatCrunch. Mean

Answer 1

a)

Class limits	Class Boundaries	Frequency	Relative Frequency
0-7	-0.5-7.5	13	0.31
8-15	7.5-15.5	10	0.24
16-23	15.5-23.5	11	0.26
24-31	23.5-31.5	4	0.10
32-39	31.5-39.5	3	0.07
40-47	39.5-47.5	1	0.02
Total		42

b)