HomeworkLib
Question

The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making ac. Interpret the regression equation. For each policeman added, the number of crimes goes by one.

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

The data values are:

Police Number of crimes
18 17
19 13
28 4
31 7
19 7
14 21
13 25
24 5

Using Excel<data<data analysis<regression

Regression Analysis
r² 0.716
r   -0.846
Std. Error   4.552
n   8
k   1
Dep. Var. Number of crimes
ANOVA table
Source SS   df   MS F p-value
Regression 313.5654 1   313.5654 15.13 .0081
Residual 124.3096 6   20.7183
Total 437.8750 7  
Regression output confidence interval
variables coefficients std. error    t (df=6) p-value 95% lower 95% upper
Intercept 34.0452 5.80 5.87 0.00 19.86 48.23
Police -1.0443 0.2684 -3.890 .0081 -1.7012 -0.3875

Answers:

a) y = 34.0452 – 1.0443x

b) y = 34.0452 – 1.0443x

y = 34.0452 -1.0443 * 26 = 6.892~7

c) It goes down by one [Please let me know if there is any change in options]

2 0
Add a comment
Know the answer?
Add Answer to:
The city council of Pine Bluffs is considering increasing the number of police in an effort...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • 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...

  • Question 16 (6 points) The number of police officers, X, and the number of murders committed...

    Question 16 (6 points) The number of police officers, X, and the number of murders committed in 2015 in US cities, y are related by the regression line equation y = 0.786 +0.032x. According to the model, how many murders were committed in 2015 in a city with x = 318 police officers? Round your answer to the nearest whole number.

  • 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...

  • Question 3 (I mark) Suppose you got three observations. Number of Police Officers (X) Number of...

    Question 3 (I mark) Suppose you got three observations. Number of Police Officers (X) Number of Crimes (Y) 20 30 10 I0 40 a) Calculate the correlation coefficient and the covariance b) Calculate the regression coefficient of the slope. c) What is the estimated regression equation? d) If the number of police officers is 7, what would we predict crimes be? 2

  • 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...

  • 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...

  • please solve for part A in second picture Some citizens complained to city council members that...

    please solve for part A in second picture Some citizens complained to city council members that there should be equal protection under the law against the occurrence of crimes. The lizens 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 fighting or cleaning up abandoned areas and buildings) should be used proportionately to crime occurrence The...

  • CITY Police Officers Non Enrolled/Not Grad Families < Poverty Level Serious Crimes Single Female Parent Households...

    CITY Police Officers Non Enrolled/Not Grad Families < Poverty Level Serious Crimes Single Female Parent Households Male Arrests Drugs (%) Atlanta, GA 1533 3247 21686 76398 36577 69 Birmingham, AL 724 1891 14075 33895 22391 64 Chicago, IL 12132 27838 116645 * 197631 69 Cleveland, OH 1682 5262 31340 45610 45455 64 Dallas, TX 2857 10702 35085 154929 54434 59 Denver, CO 1361 3312 14417 36558 24215 60 Detroit, MI 3954 13455 71673 127080 113553 58 Fort Lauderdale, FL 463...

  • 92778 47 1 7 71154536932530358 79353154 08242 13204135 8691271789 253 43799124571193 488 83692412...

    92778 47 1 7 71154536932530358 79353154 08242 13204135 8691271789 253 43799124571193 488 836924124135424 94521 09804854 125830 695033 546740 45322834 92136163 37808839 11214783 2 9 3 762 3 165505735263 26239627053 81558377885 4817439 2 18612128550 1478431281608342 2113317 611523 62114211 49360151 28827342 31750331 2672232331996 5338526777384 641921631119 734130248764 32385656789 d57168394091 34227143788090842961602 28217870 9855815 21213 4 AG pSSSSV -6 7-890-2345c 123456789012345 The committee decided to focus on the number of police officers in the city, the percentage of arrested men who tested positive for drugs,...

  • plo:0 3G STAY HOME I.. 3 من 3 2 is 1 Does CompStat Reduce Crime? CASE...

    plo:0 3G STAY HOME I.. 3 من 3 2 is 1 Does CompStat Reduce Crime? CASE STUDY SELBdsde COM STAT ) the comparison with the pre s tand New York City Police purtment NYPD) for establishing trends The Compania in 1991 when Brason was police Issues weekly commander profile porto ser compartir measure the performance of precinct commander city-wide s that reconds all spend time or The weekly commander profile reports include cumplaints and summer and in each Information on...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT