To use a t procedure, which of the following must be true?
i. the standard deviation of...
Mathematics, 04.01.2020 06:31 Andyrogers
To use a t procedure, which of the following must be true?
i. the standard deviation of the parent population must be unknown.
ii. the sample size must be small (less than 30).
iii. the parent population must be normally distributed.
a) i only
b) i and iii only
c) iii only
d) ii and iii only
e) i, ii, iii
Answers: 3
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