How do you find the p-value for a two tailed test?
How do you find the p-value for a two tailed test? For an upper-tailed test, the p-value is equal to one minus this probability; p-value = 1 – cdf(ts). For a two-sided test, the p-value is equal to two times the p-value for the lower-tailed p-value if the value of Read more…