MINITAB reports the results below for the multiple regression of y = crime
rate on x1 = median income (in thousands of dollars) and x2 = urbanization.

Results of regression analysis
Predictor Coef SE Coef T P
Constant 39. 97 16. 35 2 .44 0.017
income −0.7906 0.8049 −0.98 0.330
urbanization 0.6418 0.1110 5.78 0.000

Correlations: crime, income, urbanization

crime urbanization
urbanization 0.677
income 0.434 0.731

(A) Report the prediction equations relating crime rate to income at urbanization levels of (i) 0 and (ii) 100. Interpret
(B) For the bivariate model relating y = crime rate to x =income, MINITAB reports:
crime = -11.6 + 2.61 income
Interpret the effect of income, according to the sign of its slope.

a) As income increases, the predicted amount of crime increases.
b) As income increases, the predicted amount of crime decreases.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

step-by-step explanation:

we are given a graph for system of inequalities.

in order to write the system of inequalities for the given graph, we need to find the inequality for each of the line separately.

let us find the slope of dotted line first.

taking two coordinates on the graph.

let us say (0,0) and (3,1).

let us find the slope of the line now.

slope of the dotted line would be =.

y-intercept of dotted line is y=0 only.

plugging slope m= and b=0 in slope-intercept form y=mx+b, we get

.

the line is shaded up of that dotted line.

therefore, for shading up we would take greater than inequality symbol > .

and because it's a dotted line we would take only > symbol in place of = sign in above equation of line.

therefore, inequality for dotted line would be

let us take two points (3,1) and (0,4) on the solid line.

slope of the solid line would be =.

for the solid line we have y-intercept b= 4.

plugging slope m= -1 and b=4 in slope-intercept form y=mx+b, we get

y = -1x + 4.

the line is shaded down of that solid line.

therefore, for shading down we would take less than inequality symbol < .

and because it's a solid line we would take ≤ symbol in place of = sign in above equation of line.

therefore, inequality for solid line would be