6 of 10 14 CUMIpieie his Question: 5 pts Molent crimes indlude rape, robbery, as

Question

6 of 10 14 CUMIpieie his Question: 5 pts Molent crimes indlude rape, robbery, assaut, and homicide. The following is a summary of the violent-crime rate (violent crimes per 100,000 population) for all states of a country in a cerlain year. Complete parts (a) through (). , 271.8,02 388.5, Q3-529.1 a) Provide an interpretation of these results, Choose the correct answer below 0 A 75% of the states have a violentan erate t at is 271 8 m es per 100,000 population or less 50% of the states have a violent crime rate that is 388.5 crimes B. 25% of the states have a violent c me rate that is 271 8 crimes per 100,000 population or more 50% of the states have a violent crime rate that is 388. c. 25% ofthe states have a vic e on e ate that is 27 1.8 crimes per 100,000 population or less 50% of the states have a volent nme rate that is 3885 omes (b) Delermine and interpret the interquartie range. The merquartie range is crimes per 100,000 population. per 100,000 population or less 25% of tho states have a violent-crime rate that is 529.1 crimes per 100,000 population or less. crimes per 100,000 poulation or more. 75% of the states have a violent-crime rate that is 529.1 crimes per 100,000 population or more. per 100,000 Dopulation or less, 75% of the states have a violent-crime rate that is 529 1 omes per 100,000 population or less. 388.5 75%ofthest tes aveaco esper100 tothpopulationorless. 50%ofthesta esoopopulationormemeratet Type an integer or a decimal.) erpret the inderquartile range. Choose the correct answer below O A. The middle 50% of al observations havo a range of 257.3 crimes per 100,000 population. Click to select your answar

Explanation / Answer

a) C.

b) The interquartile range is 529.1 - 271.8 = 257.3 crimes per 100,000 population.

A) The middle 50% of all observations have a range of 257.3 crimes per 100,000 population.

c) The lower fence is 271.8 - (1.5*257.3) = -114.150

The upper fence is 529.1 + (1.5*257.3) = 915.05

B. Yes, because it is greater than the upper fence.

d) Q3 - Q2 = 529.1 - 388.5 =  140.6

Q2 - Q1 = 388.5 - 271.8 = 116.7

B. Since Q3 - Q2 > Q2 - Q1 , The distribuiton is skewed right.

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