z_test_ci | R Documentation |
The z test assumes we know the sd ( ie we have a large number of samples n > 30). Both t_test_ci and z_test_ci assume the data are normally distributed. It will usually be better to use the t_test_ci. This will equal the t_test_ci as N -> inf
z_test_ci(x, show_warning = T)
x |
Numeric vector to correlate with vector_b |
show_warning |
Boolean to indicate whether a warning be shown if there are too few samples to accurately use this method to get confidence intervals |
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