QUESTION 8: Probability distributions can be represented by (multiple choice)

A: a relative-frequency table

B: a graph

C: an equation

D: all of above

QUESTION 9: The most reliable predictions based on a sample taken from a normally distributed population will occur when:

A:the sample size is small

B:the sample size is large

C:the standard deviation is small

D:the standard deviation is large

QUESTION 11: The graph of the distribution of the numbers of children in Canadian families is:

A:positively skewed with a relatively low value for me mode and an extended tail

B:positively skewed with a relativelylargevalue for the mode and an extended tail

C:negatively skewed with a relativelylowvalue for the mode and an extended tail

D:negatively skewed with a relativelylargevalue for the mode and an extended tail

QUESTION 12: Which of the following describes the normal distribution?

A: Bimodal

B: Skewed

C: Symmetrical

D:Asymmetrical