Bookmarks People Window Help Do k - Joanna Hyland .mathxl.com/Student/PlayerHome

Question

Bookmarks People Window Help Do k - Joanna Hyland .mathxl.com/Student/PlayerHomework .aspx?homeworkId-4465 791 50&questionid;= 1 &flushed-false; MTH 139 203 fa 17 : Quiz 2 2 of 10 (1 complete) Hw s ble shows the number of millionaires (in thousands) and the population (in hundreds of thousands) for 10 states. Comple view the data table. Data Table calculations, predict whether the o lope will be positive because sta t with the population (in hundreds of your prediction. er number of millionaires. s (in thousands) on the y-axis. State Millionaires Population 35 86 20 21 143 O D. 14 63 14 6 206 7 369 227 21 12 20 194 125 12 100 10 Print Done er in the edit fields and then click Ch Clear All

Explanation / Answer

Ans:

a)positive correlation

c)correlation cofficient=0.992

d)

slope=r*sy/sx=0.992*121.258/62.794=1.9152

number millionaries will increase on average by 1.9152 thousand

population(x) millionaires(y) 1 35 86 2 8 20 3 14 21 4 63 143 5 14 25 6 88 206 7 194 369 8 125 227 9 12 21 10 7 12 mean 56 113 std.dev 62.794 121.258 r= 0.992 slope,b= 1.9152

Related Questions

Navigate

• Browse (All)
• Browse B
• Subjects

---

---

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