13. Mean: 2025.25, Median: 2209, Mode: none
14. Mean: 41.40, Median: 40.76, Mode: none
15. Mean: 3670 , Median: 3830, Mode: 4090
16. Mean: 266, Median: 266, Mode: 260
17.
a) mean is greater than the median
b) mean is equal to the median
c) mean is less than the median5. Sample variance: 36, Sample std dev: 6
6. Sample variance: 100, Sample std dev: 10
7. Pop variance: 16, Pop std dev: 4
8. Pop variance: 64, Pop std dev: 8
9. Sample variance: 196, Sample std dev: 14
10. Pop variance: 25 , Pop std dev: 5
14. Range: 260, Sample std dev: 8.42
5. 34 week baby: -.3, 40 week baby: -.42, 40 week baby weighs less.
7. 75-inch man is relatively taller.
9. Hernandez had a better year relative to his peers because his z-score was lower.
11. Will Power had the more convincing victory.
13. An applicant must make a minimum score of 239 to be accepted.
15.
a.) 15% of males 3-5 m/o have a head circumference less than or equal to 41 cm.
b.) 90% of 2 year old women have a waist circumference less than or equal to 52.7 cm.
c.) Heights decrease throughout each percentile as age increases. Adult males get taller over time.22.
a.) z-score= -1.2
b.) Q1= 9.15, Q2= 9.95, Q3= 11.1
c.) IQR= 1.95, 50% of cats have hemoglobin levels within 1.95 units of the middle.
d.) LF= 6.225, UF= 14.025, 5.7 is an outlier25. The cutoff point is 574.
3.
a.) Skewed Right
b.) 0, 1, 3, 6, 164.
a.) Symmetric
b.) 0, 2, 5, 7, 105.
a.) 40
b.) 52
c.) y because IQR is bigger and whiskers are longer.
d.) Symmetric, because the whiskers are balanced.
e.) Skewed Right because the right whisker is longer.
6.
a.) 15
b.) 22
c.) y because IQR is bigger and whiskers are longer.
d.) Yes, 30 is an outlier.
e.) Skewed Left because the right whisker is longer.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