Homework Answers
Police and crime
We take them as X and Y respectively
Then find "r" the coefficient of correlation between these two variables and find that r is 0.55 which shows a moderate relationship between two variables.
So answer is A
Moderate positive correlation.
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The following are data on number of policemen and number of crimes. Find out if there...
The city council of Pine Bluffs is considering increasing the number of police in an effort...
The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information. 13 15 17 17 city Police Number of criminals Oxford 15 17 Starksville 17 Danville 25 Athens 27 Holgate 17...
Instructions: Question 8 refers to the following situation: A researcher is interested in the relationship between creative opportunities and desire to commit crimes. To investigate this question, sh...
Instructions: Question 8 refers to the following situation: A researcher is interested in the relationship between creative opportunities and desire to commit crimes. To investigate this question, she tests and then rank orders the number of creative opportunities and crime desires of a group of eight students. The already rank ordered data are presented below: Student Crime desire (Y) Creative opportunities(X) X- N-6 25 Michelle Daniel Phil Lesley Chris Keeley Mani 36 Monica S148 48. Calculate Spearman's rank-order:0.619 6(148) rs...
Minnesota Department of Health published the following data of number of COVID-19 test performed (X) and...
Minnesota Department of Health published the following data of number of COVID-19 test performed (X) and number of positive COVID-19 cases (Y) for seven days : Date Test (X) +ve cases (Y) 04/22 154 04/23 04/24 04/25 1433 1974 - 2023 2514 2218 22:10 2412 04/26 04/27 04/28 221 243 1261 156 214 365 1614 Total 14784 Calculate the correlation coefficient between COVID-19 Test and number of positive cases.
Problem 10-28 Some citizens complained to city council members that there should be equal protection under...
Problem 10-28 Some citizens complained to city council members that there should be equal protection under the law against the occurrence of crimes. The citizens argued that this equal protection should be interpreted as indicating that high-crime areas should have more police protection than low-crime areas. Therefore, police patrols and other methods for preventing crime (such as street lighting or cleaning up abandoned areas and buildings) should be used proportionately to crime occurrence. The city has been broken down into...
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All statistical tests are carried out at a =0.05. QUESTION ONE The following output represents data...
All statistical tests are carried out at a =0.05. QUESTION ONE The following output represents data collected for the study of manpower allocation in the Ghana Police Service from various district across the country. The study involved testing the association among the key variables; comprising - Crimes (The number of reported crimes); Officers (The number of full-time equivalent police officers); Support (The number of civilian support staff); Unemployed (The unemployment rate); Retired (The percentage of the local population who are...
Problem 10-28 Some citizens complained to city council members that there should be equal protection under...
Problem 10-28 Some citizens complained to city council members that there should be equal protection under the law against the occurrence of crimes. The citizens argued that this equal protection should be interpreted as indicating that high-crime areas should have more police protection than low-crime areas. Therefore, police patrols and other methods for preventing crime (such as street lighting or cleaning up abandoned areas and buildings) should be used proportionately to crime occurrence. The city has been broken down into...
A department of transportation's study on driving speed and miles per gallon for midsize automobiles resulted in t...
A department of transportation's study on driving speed and miles per gallon for midsize automobiles resulted in the following data Speed (Miles per our30 50 40 55 30 24 60 25 51 55 Miles per Gallon 28 24 24 23 30 32 21 35 26 25 Compute the sample correlation coefficient (to 2 decimals and enter negative value as negative number) What can you conclude, based on your computation of the sample correlation coefficient? - Select your answer- Select the...
The table shows the number of years of education of parent and the number of years...
The table shows the number of years of education of parent and the number of years of education of their child. Years of Education of Parent 13 9 7 12 12 10 11 Years of Education of their Child 13 11 7 16 17 9 17 Determine the correlation coefficient and briefly describe the relationship between the two variables. Conduct a hypothesis test to determine if there is a significant linear correlation between the two variables. What is the critical...
Campus Crime Data Number of Crimes Number of Police Total Enrollment Protection Cost...
Campus Crime Data Number of Crimes Number of Police Total Enrollment Protection Cost Private School 64 12 1,131 549071 1 138 21 12,954 1101952 0 141 32 16,009 1430951 0 84 22 1,682 1110683 1 86 35 2,888 2155041 1 141 45 17,407 2273268 0 135 42 3,028 2402603 1 174 50 4,306 3292910 1 201 75 34,511 5016214 0 203 84 37,240 4971815 0 125 36 2,918 2272159 1 234 109 39,414 5187901 0 143 45 4,000 4284809 1...
The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information. 13 15 17 17 city Police Number of criminals Oxford 15 17 Starksville 17 Danville 25 Athens 27 Holgate 17...
Instructions: Question 8 refers to the following situation: A researcher is interested in the relationship between creative opportunities and desire to commit crimes. To investigate this question, she tests and then rank orders the number of creative opportunities and crime desires of a group of eight students. The already rank ordered data are presented below: Student Crime desire (Y) Creative opportunities(X) X- N-6 25 Michelle Daniel Phil Lesley Chris Keeley Mani 36 Monica S148 48. Calculate Spearman's rank-order:0.619 6(148) rs...
Minnesota Department of Health published the following data of number of COVID-19 test performed (X) and number of positive COVID-19 cases (Y) for seven days : Date Test (X) +ve cases (Y) 04/22 154 04/23 04/24 04/25 1433 1974 - 2023 2514 2218 22:10 2412 04/26 04/27 04/28 221 243 1261 156 214 365 1614 Total 14784 Calculate the correlation coefficient between COVID-19 Test and number of positive cases.
Problem 10-28 Some citizens complained to city council members that there should be equal protection under the law against the occurrence of crimes. The citizens argued that this equal protection should be interpreted as indicating that high-crime areas should have more police protection than low-crime areas. Therefore, police patrols and other methods for preventing crime (such as street lighting or cleaning up abandoned areas and buildings) should be used proportionately to crime occurrence. The city has been broken down into...
The primary purpose of criminal law is to compensate a victim. 9. 10. Crimes and criminal punishment guidelines are specified in detailed criminal codes and statutes. 11. Because a corporation is not a natural person, it cannot be convicted of a crime. 12. Commission of the offense of grand larceny involves the theft of larger items as opposed to smaller items that can be hidden, for example, in a purse. 13. Under our criminal laws that exist today, white-collar crime...
All statistical tests are carried out at a =0.05. QUESTION ONE The following output represents data collected for the study of manpower allocation in the Ghana Police Service from various district across the country. The study involved testing the association among the key variables; comprising - Crimes (The number of reported crimes); Officers (The number of full-time equivalent police officers); Support (The number of civilian support staff); Unemployed (The unemployment rate); Retired (The percentage of the local population who are...
Problem 10-28 Some citizens complained to city council members that there should be equal protection under the law against the occurrence of crimes. The citizens argued that this equal protection should be interpreted as indicating that high-crime areas should have more police protection than low-crime areas. Therefore, police patrols and other methods for preventing crime (such as street lighting or cleaning up abandoned areas and buildings) should be used proportionately to crime occurrence. The city has been broken down into...
A department of transportation's study on driving speed and miles per gallon for midsize automobiles resulted in the following data Speed (Miles per our30 50 40 55 30 24 60 25 51 55 Miles per Gallon 28 24 24 23 30 32 21 35 26 25 Compute the sample correlation coefficient (to 2 decimals and enter negative value as negative number) What can you conclude, based on your computation of the sample correlation coefficient? - Select your answer- Select the...
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