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Author Question: For families who live in apartments the correlation between the family's income and the amount of ... (Read 191 times)

jasdeep_brar

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on: Aug 30, 2019

Question 1

It takes a while for new factory workers to master a complex assembly process.  During the first month new employees work, the company tracks the number of days they have been on the job and the length of time it takes them to complete an assembly.  The correlation is most likely to be
◦ near 0
◦ near -0.6
◦ exactly +1.0
◦ exactly -1.0
◦ near +0.6

Question 2

For families who live in apartments the correlation between the family's income and the amount of rent they pay is r = 0.60.  Which is true?
I.   In general, families with higher incomes pay more in rent.
II.  On average, families spend 60% of their income on rent.
III. The regression line passes through 60% of the (income$, rent$) data points.
◦ I and III only
◦ I and II only
◦ II only
◦ I only
◦ I, II, and III
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
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Marked as best answer by jasdeep_brar on Aug 30, 2019

yasmin

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Reply #1 on: Aug 30, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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jasdeep_brar

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Reply 2 on: Aug 30, 2019
Wow, this really help

FergA

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Reply 3 on: Yesterday
Gracias!

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