Hw4_skeleton

3.4

• 1. Z score.
• 2. Kth Percentile.
• 3. Quartiles.
• 4. Interquartile Range.
• 5. 34 week = -0.3, 40 week = -0.4, 40 week weighs less relative to gestation.
• 6. 34 week = 0.6, 40 week = 0.85, 40 week weighs less relative to gestation.
• 7. Man = 1.8, Woman = 1.6, Man is taller.
• 8. Man = -0.86, Woman = -0.55, Woman is taller.

1. 5% of males at 36 months is 12.0kg or less.

2. 5% of newborn females is 53.8cm in length or more.

1. 25% of states have a crime rate of 252.4 or lower, 50% of states have a crime rate of 333.8, and 75% of states have a crime rate of 454.5 or lower.

2. IQR: 202.1.

3. Yes because it is greater than Q3.

4. Uniform because the space between the quartiles is fairly even.

3.5

• 1. Minimum, Q1, median, Q3, maximum.
• 2. Skewed left.

1. Skewed right.

2. 0, 1, 3, 6, 16.

1. Bell shaped.

2. -1, 2, 5, 8, 11.

3. Y because it is skewed right and the space between the quartiles is bigger.

4. Bell shaped because the minimum and maximum are close to equally spaced and the first and third quartiles are equally spaced.

5. Skewed right because the third quartile and the maximum are much more spread.

3. Y because the first quartile and minimum are more spread.

4. Yes, 30.

5. Skewed left because the minimum and first quartile have more dispersion.

data <- c(.608,.608,.608,.610,.612,
          .601,.610,.608,.607,.598,
          .606,.610,.605,.611,.600,
          .602,.607,.609,.608,.605,
          .611,.600,.605,.610,.603)

boxplot(data,horizontal = T)

2. Left skewed.