>>641
> y=rep(c(0.6,0.5,0.4,0.3,0.2,0.1,0,-0.1),c(6,9,11,24,26,13,9,2))
> t.test(y)

One Sample t-test

data: y
t = 15.572, df = 99, p-value < 2.2e-16
alternative hypothesis: true mean is not equal to 0
95 percent confidence interval:
0.2268696 0.2931304
sample estimates:
mean of x
0.26