Delete 645 from the gestation list (L1) and 40 from the longevity list (L2). These should be L1(15) and L2(15).
STAT/EDIT/1:Edit...
L1
until you've highlighted 645
.DEL
.L2
.You will see that the values of the variables for this outlier have been removed from the data.
Recalculate the correlation:
STAT/CALC/8:LinReg(a+bx).
Xlist
and Ylist
. Since the gestation data is in L1 and the longevity data is in L2, enter 2nd/1
after Xlist
. Enter 2nd/2
after Ylist
. Leave FreqList
and Store RegEQ
blank. Calculate
and press ENTER