t.test(r,mu=0,alt="two.sided",conf=0.95)
One Sample t-test
data: r
t = 8.442, df = 751, p-value < 2.2e-16
alternative hypothesis: true mean is not equal to 0
95 percent confidence interval:
306.7586 492.6578
sample estimates:
mean of x
399.7082
One Sample t-test
data: r
t = 8.442, df = 751, p-value < 2.2e-16
alternative hypothesis: true mean is not equal to 0
95 percent confidence interval:
306.7586 492.6578
sample estimates:
mean of x
399.7082
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