13. mean= 2025.25, median= 2209, mode= not applicable
14. mean= 41.41, median= 40.76, mode=not applicable
15. mean= 3670, median= 3830, mode= 4090
16. mean= 266, median= 266, mode=260
17.
a) the median in bigger than the mean because the histogram is left skewed.
b) the mean is more or less equal to the median because the histogram is centered.
c) the median is smaller than the mean because the histogram is right skewed. 5. variance=28.8, Standard Deviation= 5.36
6. v=80, sd=8.9
7. v= 16, sd=4
8. v=64, sd=8
9. v= 176.4, sd=13.3
10. v=25, sd=5
14. sd=7.8, r=25
5. 34 weeks= -0.303, 40 weeks=-0.425, the 40 week baby
7. man=1.8, woman=1.55, the man
9. Johnson because his z score (-1.779) is closer to zero.
11. Power had the more convincing race with a z score of -1.75, as opposed to Franchitti, who had a score of -1.47
13. the minimun score would be 239.
15.
a.) 3 to 5 month old male infants with head circumferences of 41 cm have bigger heads than 15% of their peers.
b.) 2 year old female infants with waist circumferences of 52.7 cm have waists bigger than 90% of their peers.
c.) One might conclude that the younger generations are gradually becoming taller. 22.
a.) he is below average hemoglobin.
b.) 1=8.9, 2=9.95, 3=11.2
c.) 2.3
d.) lf=5.45, uf=14.65, no25. 649.5
3.
a.) left skew
b.) min 0, q1=1, q2=3, q3=6, max 164.
a.) center
b.) min -1, q1=2, q2=5, q3=7, max=115.
a.) 41
b.) 52
c.) y because it has longer whiskers
d.) centered because box and whiskers are evenly split
e.) left skewed because right wisker is long.
6.
a.) 16
b.) 22
c.) y has longer whiskers
d.) yes, 30
e.) right skewed. left whisker is long. 7. please do this problem by hand on paper.
8. please do this problem by hand on paper.
9. please do this problem by hand on paper. The five # summary is 42,50.5,54.5,57.5,69
10. please do this problem by hand on paper. The five # summary is 7.2,9.0,10.0,11.2,16.4