Re: [R] Welch Two Sample T-Test

2012-11-08 Thread Jose Iparraguirre
ginal Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of cosworth201 Sent: 07 November 2012 15:27 To: r-help@r-project.org Subject: [R] Welch Two Sample T-Test I know when I enter this into R: > x = c(15, 10, 13, 7, 9, 8, 21, 9, 14, 8) >

[R] Welch Two Sample T-Test

2012-11-07 Thread cosworth201
I know when I enter this into R: > x = c(15, 10, 13, 7, 9, 8, 21, 9, 14, 8) > y = c(15, 14, 12, 8, 14, 7, 16, 10, 15, 12) > t.test(x,y,alt="less",var.equal=TRUE) it shows: Two Sample t-test data: x and y t = -0.5331, df = 18, p-value = 0.3002 alternative hypothesis: true difference in