What is the critical value for an upper-tailed hypothesis test of the population mean when the population variance is unknown in which a null hypothesis is tested at the 0.05 level of significance based on a sample size of 18?
A) 2.110
B) 2.101
C) 1.734
D) 1.740
Question 2
As the size of the sample increases, what happens to the shape of the sampling distribution of sample means?
A) It becomes positively skewed.
B) It becomes negatively skewed.
C) It becomes uniformly distributed.
D) It becomes approximately normal.
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
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Population Ecology "البيئة السكان"
Tips for Critical Thinking
Tips for Critical Thinking