1. Which of the following best describes the Income variable? a. categorical, di

Question

1. Which of the following best describes the Income variable?

a. categorical, dichotomous

b. categorical, ordinal

c. quantitative, continuous

d. quantitative, discrete

e. categorical

2. Which type of plot would be most useful for visualizing the relationship between Age and job satisfaction Score?

a. histogram

b. single box plot

c. side by side box plot

d. scatter plot

e. dot plot

3. Below are some summary statistics from the score variable. Which of the following is true? min Q1 median Q3 max mean sd n missing 30 57 69.5 77 99 65.075 16.09361 200 0

a. the standard deviation estimate is not possible because score is a whole number

b. there is evidence that the distribution of score is right-skewed

c. the minimum value of 30 would be identified as out outlier in a box plot

d. there were more survey respondents who reported job satisfaction scores less than 57 than survey respondents reported job satisfaction scores greater than 77

e. none of the above are true

Age Race Income Score 21 W less than $10,000 29 33 B $20,000 - $23,000 32 41 B more than $100,000 84 26 A $30,000 - $40,000 78 22 O $10,000 - $20,000 87 19 A $40,000 - $50,000 42 34 W $50,000 - $60,000 21 26 W less than $10,000 91

Explanation / Answer

1) (e) ; categorical

Here income variable is a categorical variable and it is divided into various group.

2) (d)

Scatter diagram is the best graphical presentation for visualizing the relationship between Age and job satisfaction Score.

3) (e) none of the above are true

min Q1 median Q3 max mean sd n

21, 29.75,60,86.25,91,29.636,8

and it is left skewed (skewness = -0.079)

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.