Ina lools Window Help estld 1670 MTH 240-41H Samantha Wallace Quiz: Ch 4 Quiz 12

Question

Ina lools Window Help estld 1670 MTH 240-41H Samantha Wallace Quiz: Ch 4 Quiz 12/3/17 3:48 PM This Question: 2 pts Submit Quiz This Quiz: 54 pts possible The linear correlation between violent crime rate and percentage of the population that has a cell phone is 0.918 for years since 1995. Do you believe percentage of the population that has a cell phone will decrease the violent crime rate? What might be a lurking variable between percentage of the population with a cell phone and violent crime rate? that increasing Will increasing the percentage of the population that has a cell phone decrease the violent crime rate? Choose the best option below O No What might be a lurking variable between percentage of the population with a cell phone and violent crime rate? O A. the economy O B. the police O C. the average cell phone's effectiveness as a weapon 0 D. overall cell phone signal strength

Explanation / Answer

The following are the responses for given questions

1) Yes

since given correlation is negative

i.e r = - 0.918 < 0

2)

Here the lurking variable is

The police

since the police duty impacts the crime rate

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