by A Holmes · 2015 — Divide either 0.95 or 0.90 in half and find that probability inside the body of the table. ... A good way to see the development of a confidence interval is to graphically depict the ... As the sample size increases, the standard deviation of the sampling ... CL = 1 – α, so α is the area that is split equally between the two tails.
if-the-sample-size-is-doubled,-the-standard-error-will-be-cut-in-half
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if the sample size is doubled the standard error will be cut in half