HW4_skel

3.4

5 -0.43

7 75 inch man because he has a higher Z score

9 Clayton Kershaw had the beter year

11 Ryan is better in 100 meter race

13 239

15

1. 15% had a head circumference less than 41

2. 90% had a waist circumference of less than 52.7

3. younger people are taller than older people.

22

1. (hint the mean = 10.08, standard deviation = 1.885), z = 1.2

2. 11.1

3. 1.95

4. LF = 6.23 UF = 14.03

25 cutoff point = 574.25

3.5

3

1. Skewed to right

2. skewed to right

4

1. Symmetric

2. 0,2,5,7,10

5

1. 40

2. 53

3. y has more distribution because the plot is longer

4. x has symmetric distribution

5. y has right skewed distribution

6

1. 16

2. 22

3. y has more dispersion

4. x outlier 29

5. y is left skewed

7

dat1 <- c(60,68,77,89,98)

boxplot(dat1)

8

dat2 <- c(110,140,157,173,205)

boxplot(dat2)

9

dat3 <- c(42,43,46,46,47,
         47,48,49,49,50,
         50,51,51,51,51,
         52,52,54,54,54,
         54,54,55,55,55,
         55,56,56,56,57,
         57,57,57,58,60,
         61,61,61,62,64,
         64,65,68,69)

1. type answer (note data is in order)

boxplot(dat3)

3. type answer

10

dat3 <- c(7.2, 7.8, 7.8, 7.9, 8.1, 8.3,
          8.5, 8.6, 8.6, 8.6, 8.7, 8.8,
          9.0, 9.1, 9.2, 9.2, 9.2, 9.4,
          9.4, 9.6, 9.7, 9.7, 9.9, 9.9,
          10.0, 10.0, 10.0, 10.1, 10.2, 10.3,
          10.0, 10.3, 10.3, 10.7, 10.7, 10.9,
          11.2, 11.2, 11.2, 11.3, 11.3, 11.3,
          11.5, 11.5, 11.7, 12.4, 12.5, 13.6,
          13.8, 14.4, 16.4)

1. type answer (note data is in order)

boxplot(dat3)

3. type answer