380 21 4. Measures of Location The values of Pso: Qay and the median are found f

Question

380 21 4. Measures of Location The values of Pso: Qay and the median are found for the net in- .Al comes reported on all individual 1040 tax forms filed last year. What do those values have in common? z Scores. In Exercises 5-8, express all z scores with two decimal places. Obama's Net Worth As of this writing, Barack Obama is President of the United States 5 and he has a net worth of $3,670,505. The 17 members of the Executive Branch have a mean net worth of $4,939,455 with a standard deviation of $7,775,948 (based on data from opensecrets.org). a. What is the difference between President Obama's net worth and the mean net worth of all members of the Executive Branch? b. How many standard deviations is that (the difference found in part (a)?

Explanation / Answer

5. a.

Obama's net worth = $3,670,505

Mean net worth of 17 members of Executive branch = $4,939,455

Difference between Obama's net worth and members of Executive branch net worth = $4,939,455 - $3,670,505

= $1,268,950

b.

Number of standard deviation the difference in net worth is = Difference in net worth / Standard deviation

= $1,268,950 / $7,775,948

= 0.1632

Related Questions

Navigate

• Browse (All)
• Browse 3
• Subjects

---

---

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