stats help Pleaseeeeeee
summary stats:
latitude: mean is 39.02 st dev is 5.42
January temp: mean is 26.44 st dev is 13.49
correlation is -0.848
a) what % of variation in January temp can be explained by variation in latitude?
b) what is indicated by the fact that correlation is negative?
c) the latitude of Denver is 40 degrees N. Predict the mean January temperature (degrees Fahrenheit there)
April 6, 2015
3 Comments • Newest first
Pretty sure for question c you need the r squared value and the coefficient.
a) what % of variation in January temp can be explained by variation in latitude?
71.9104%
The % of variation thing is found using r^2.
b) what is indicated by the fact that correlation is negative?
As latitude increases, temperature decreases.
As x increases, y decreases.
c) the latitude of Denver is 40 degrees N. Predict the mean January temperature (degrees Fahrenheit there)
I don't really understand the data, and I don't exactly recall the formula for the line equation using mean and standard deviation. I took statistics last year.
yo i was expecting real stats not this JJAYSON shjkkkkk