Question

Chapter 3 Forum Questions Answer each of the following questions. Provide detailed explianation so other s students can benefit from your input t is used to determine creditworthiness of individuals called a FICO score. FICO scores range in value 1. FICO Scores The Fair Isacs Corporation has devised a model that is used to determine creditwothiness score indicating a more of individuals have a FICO score above 7237 credt-worthy The distribution of FICO scores is skewed left with a median soore of 723 (b) What 2. Companing Standard Deviations The standard deviation of butting averages esn merican Lesque is 0.02154. Why is there less variabityes of all eams in the American League s o.0. The standard deviation of all paersin th Use the side-by-side boxplots shown to answer the questions that follow a. (a) To the nearest integer, what is the median of variable x? (b) To the nearest integer, what is the first quartile of variable y? (c) Which variable has more dispersion? Why? (d) Does the variable x have any outliers? If so, what is the value of the outlier(s)? (e) Describe the shape of the variable y. Support your position. Respond No one hats to this topic. To be the first ne click the Respond link below the topic.

Answer 1

a) Draw the perpendicular from the middle line of the box corresponding to X variable. Then it meet approximately 16 on x axis.

therefore median of X is 16

b) Here we want to find first quartile of the variable Y.

Draw perpendicular from the first line of the box corresponding to Y variable. Then it meet approximately 22 on x axis.

therefore first quartile of Y is 22

c) Y variable have more dispersion than the X variable.

Because the difference between (Q₂ - Q₁ ) and ( Q₃ - Q₂ ) is larger than Y variable than the X variable.

d) No. Because minimum and maximum values of X variable are not very far from Q1 and Q3 respectively.

e) The shape of the distribution of Y is negatively skewed.

Because (Q2 - Q1 ) > (Q3 - Q1)

Where Q1 = first quartile

Q2 = second quartile

Q3 = third quartile.