Standard Error of the Mean with CI
mean_ci_sem(x, conf.level = 0.95)
a numeric vector or R object which is coercible to one
the confidence level (alpha) of the Interval
a data.frame with the mean, SEM and its Confidence Interval
data.frame
# NOT RUN { set.seed(42) iq <- rnorm(100, 100, 15) mean_ci_sem(iq) # }
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