77. Ina distribution, as the sample size increases what happens to the standard error :
(A) Increases (B) Decreases
(C) Not defined (D) Not affected
78. The purpose of hypotheses testing is to make a judgment about the difference between :
(^) Type I and type II error
(B) Null and alternative hypotheses
(C) Sample statistic and population parameter
(D) One tailed and two tailed test
79. When the correlation coefficient is close to one?
(^) ....
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