A researcher felt there might be a correlation between weather conditions and people’s mental health. In order to verify his conjecture, he obtained data on the number of mostly sunny days (x) in 2015 from 245 randomly selected cities in the nation and their corresponding citizens’ happiness indices (y). In other words, he wants to test if there is a statistically significant correlation between x and y. How should he carry out the analysis?

imma say 16%. sorry if its wrong. i'm doing the same stuff right now

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

y=-2.5x+12.5

step-by-step explanation:

5y=2x+10

y=0.4x+2

slope=-2.5

5=-2.5*3+b

b=12.5