Determine the correlations between pairs of all interval variables?

Question

I am taking an online course and I am having a hard time understanding how to Determine the correlations between pairs of all interval variables? What if I was comparing the information listed below:


Name Absences Math Writing Reading PE
Alex 5 85 86 80 49
Anthony 18 51 35 42 56
Doug 1 82 74 78 79
Jorge 4 66 68 60 54
Joshua 5 79 78 77 83

Answer 1

you can use calculator Ti 83 or 84 to find them.
if you dont have it you can use microsoft excel to figure out that by graph.
if you have 83, 84
hit stat > edit> type alex in L1 and ....joshua in L5
hit stat>calc> linreg(ax+b)
make sure diagnosticon
if not hit 2nd> catalog then find hit diagnosticon
r^2=.3439
r=.5865