a. Robbery-Rate; = 0 + |Southern, + bo = 92.6935 b1 -7.1873 R-= .0079 p-value= .

Question

a. Robbery-Rate; = 0 + |Southern, + bo = 92.6935 b1 -7.1873 R-= .0079 p-value= .5521 b. Robbery. Rate, = 0 + ,southern, + 2MalesPerFemales + bo-178.8849 b1 -1.8736 b2 2744 R20473 p-value= .8818 p-value= .1845 c. Robbery-Rate; = 0 + |Southern, + 2Expend1960 + E; bo 1.1954 b1 15.5919 b,- .9852 R2= .5010 p-value= .0997 p-value0001 d. Robbery. Rate,-0 + |Southern, + 2Expend1960 + 3MalesPerFemalesi +í bo-368.1336 b1 23.575986 p-value-.0139 b2= 1.0208 b3- 3699 R25718 p-value= p-value= .0001 .0107 e. Use the estimated coefficients that you found in parts a. through d. to identify the correct statements regarding mean robbery rates in southern vs. non- southern states. You do not need to take statistical significance into consideration here. Select all that apply, The average robbery rate for southern states was greater than the average robbery rate for non-southern states The average robbery rate for southern states was less than the average robbery rate for non-southern states. The average robbery rate for southern states was greater than the average robbery rate for non-southern states, when controlling for number of males per 1000 females The average robbery rate for southern states was less than the average robbery rate for non-southern states, when controlling for number of males per 1000 females. The average robbery rate for southern states was greater than the average robbery rate for non-southern states, when controlling for 1960 per capita expenditure on police by state and local government The average robbery rate for southern states was less than the average robbery rate for non-southern states, when controlling for 1960 per capita expenditure on police by state and local government. The average robbery rate for southern states was greater than the average robbery rate for non-southern states, when controlling for both males per 1000 females and 1960 per capita expenditure on police by state and local government The average robbery rate for southern states was less than the average robbery rate for non-southern states, when controlling for both males per 1000 females and 1960 per capita expenditure on police by state and local government

Explanation / Answer

1. Average robbery rate for southern state is less than average robbery rate for nom southern state

Note: putting values for southern as 5, 10 etc we can verify

2. Average robbery rate for southern state is less than the average robbery rate for non southern controlling number of males per 1000 females

Note : keeping no of females = 1000 constant verify putting 5, 10 for southern stated

3. No of robbery for southern state is less than non southern state controlling number of males per females and 1960 per capita expenditure

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