The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before maki
Posted: Wed May 11, 2022 8:02 am
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.
Police: Crimes:
15 17
17 13
25 5
27 7
17 7
12 21
11 19
22 6
a. Determine the regression equation,
rounding to 4 decimals. (a+b*x. ONLY SOLVING FOR A &
B. I know A is 29.3882, but B IS NOT -.5958 as other
answers responses would indicate.)
c.&d. Fill in the blanks below,
rounding to 3 decimals.
sx:
sy:
coefficient of correlation:
coefficient of determination:
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.
Police: Crimes:
15 17
17 13
25 5
27 7
17 7
12 21
11 19
22 6
a. Determine the regression equation,
rounding to 4 decimals. (a+b*x. ONLY SOLVING FOR A &
B. I know A is 29.3882, but B IS NOT -.5958 as other
answers responses would indicate.)
c.&d. Fill in the blanks below,
rounding to 3 decimals.
sx:
sy:
coefficient of correlation:
coefficient of determination: