Question

Which data sets have a negative correlation?
a.
The number of visitors at an amusement park and the length of the lines for the rides.
c.
The temperature and the number of people wearing coats.
b.
The amount of speed over the speed limit when you get a speeding ticket and the amount of the fine for speeding.
d.
The distance you live from school and the amount of time it takes to get to school.

Answer 1

let's go through these one by one

Answer 2

alright??

Answer 3

as the number of people increase, do the lengths of the lines increase?

Answer 4

yea

Answer 5

so that suggests we have a positive correlation (one variable goes up, the other goes up as well)

Answer 6

so choice A is out

Answer 7

k

Answer 8

so you need to find one where as one variable goes up, the other goes down

Answer 9

or vice versa

Answer 10

is it b?

Answer 11

for instance

The distance you live from school and the amount of time it takes to get to school

is a positive correlation because as the distance goes up, the time goes up as well

Answer 12

yes

Answer 13

temp goes up ----> # of people wearing coats goes down

Answer 14

oh okay