1-Consider this output on the comparison of age for people who smoke cigarettes (Cigs=Yes) vs. people who don't smoke cigarettes (Cigs=No).

What is the p-value for the two-sided testing of the equality of means (that is, underlying mean of smokers = non smokers) versus not equal means:

A--7.41646

B-B- 1.000

C-C-

D-D- Answering this question needs more information

High Low Total High School 135 395 530 Middle School 274 31 6 590 Total 409 71 1 1 120 A- 52.95508, ies they are independent 8- 3373664, E they are independent 0- 52.95508, No they are not independent D- 3373664, No they are not independent \f4 Response ForSc 4 Effect Summary Source LogWorth PValue SideSc 239.213 0.00000 MCB 43.963 0.00000 CD4 11.972 ........... 0.00000 CD8 4.495 0.00003 CD3 a 0.35560 Remove Add Edit |FDR 4 Summary of Fit RSquare 0.456141 RSquare Adj b Root Mean Square Error 35.8216 Mean of Response 194.8976 Observations (or Sum Wgts) 5000 4 Analysis of Variance Sum of Source DF Squares Mean Square F Ratio Model 5 5374675 1074935 837.7071 Error C 6408237 1283 Prob > F C. Total 4999 11782912 d 4 Parameter Estimates Term Estimate Std Error t Ratio Prob>|t| Intercept -37.97103 4.373929 -8.68 <.0001 sidesc cd3 cd8 e cd4 mcb analysis of age by cigs in .... no yes at test yes-no assuming unequal variances difference t ratio std err dif df upper cl prob> It| <.0001 lower cl dif prob> t 1.0000 Confidence 0.95 Prob