Answer:
Step-by-step explanation:
The weights in pounds of the defensive linemen were :
254,311, 297, 323, 260, 242, 300, 252, 303, 274
Ascending order: 242
,252
,254
,260
,274
,297
,300
,303
,311
,323
The weights in pounds of the offensive linemen were :
310 ,315, 305, 318, 298, 301, 321, 332, 320
Ascending order:298
,301
,305
,310
,315
,318
,320
,321
,332
a)
Offensive line Stem Defensive line
24 | 2
25 | 2 , 4
26 | 0
27 | 4
8 | 29 | 7
1,5 | 30 | 0,3
0,5,8 | 31 | 1
0,1 | 32 | 3
2 | 33 |
Five number summary of offensive line:
1) minimum: 298
2) maximum: 332
3)
Lower quartile:298
,301
,305
,310
Q1 is the median of lower quartile
4)
Upper quartile:318
,320
,321
,332
Q3 is the median of upper quartile
5)
Q2 is the median
298
,301
,305
,310
,315
,318
,320
,321
,332
Mid value ==5th term = 315
Q2=315
Five number summary of defensive line:
1) minimum: 242
2) maximum: 323
3)
Lower quartile:242
,252
,254
,260
,274
Q1 is the median of lower quartile
Q1=254
4)
Upper quartile:297
,300
,303
,311
,323
Q3 is the median of upper quartile
Q3=303
5)
Q2 is the median
242
,252
,254
,260
,274
,297
,300
,303
,311
,323
Mid value =\frac{274+297}{2}=285.5
Q2=285.5
c) Mean weight of offensive line =
Mean weight of defensive line =
Mean weight of offensive line is more
So, Offensive group of players tends to be heavier