A random sample of n = 36 scores is selected from a population. Which of the following distributions will definitively be normal?
A) The scores in the sample will form a normal distribution.
B) The scores in the population will form a normal distribution.
C) The distribution of sample means will form a normal distribution.
D) None of the distributions - the sample, the population, the distribution of sample means - will definitely be normal.
Question 2A researcher measures IQ and weight for a group of college students. What kind of correlation is likely to be obtained for these two variables?
A) a positive correlation
B) a negative correlation
C) a correlation near zero
D) a correlation near one
Question 3A random sample of n = 4 scores is selected from a population. Which of the following distributions will definitively be normal?
A) The scores in the sample will form a normal distribution.
B) The scores in the population will form a normal distribution.
C) The distribution of sample means will form a normal distribution.
D) None of the distributions - the sample, the population, the distribution of sample means -will definitely be normal.
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