Identify the explanatory and response variables in the following situation:

There is a strong negative correlation between latitude above the equator and number of hours of daylight on December 21.

A. Explanatory: Time of year
Response: Daylight hours
B. Explanatory: Latitude
Response: Daylight hours
C. Explanatory: Daylight hours
Response: Latitude
D. Explanatory: Latitude
Response: Average temperature

Question

Identify the explanatory and response variables in the following situation:

There is a strong negative correlation between latitude above the equator and number of hours of daylight on December 21.

 		A.	Explanatory: Time of year
Response: Daylight hours
 		B.	Explanatory: Latitude 
Response: Daylight hours
 		C.	Explanatory: Daylight hours
Response: Latitude
 		D.	Explanatory: Latitude
Response: Average temperature

anonymous · Answer

hmmm what does "explanatory variable" mean?

anonymous · Answer

i guess it means the higher the latitude, the less day light hours
so if i was going to make a guess i would say 
"explanatory variable: latitude"
"response" daylight hours

i would not bet more than $6 on it though

anonymous · Answer

the variable on the x axis

anonymous · Answer

thats what it means

anonymous · Answer

ok well i have to say it is very unclear but i would go with "latitude" as the $x$ axis and hours of daylight as the $y$

anonymous · Answer

sooo what letter?