Section 7

Question 29 (1 point)

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A city zoo has found it has a large population of monkeys. It devices a system so that each Monkey is described with a unique but sequential zoo member number? What kind of variable is the zoo member number?

Question 29 options:

a)	Nominal variable

b)	Identifier variable

c)	Ordinal variable

d)	Experimental variable

Question 30 (1 point)

When is the median a better measure of a distribution to use than the mean?

Question 30 options:

a)	When the data is skewed or has outliers

b)	Wen the data is uniform

c)	When the data has a left skew only

d)	When the data has a right skew only

Question 31 (1 point)

Which of the following is best to measure the spread of a distribution?

Question 31 options:

a)	The mean and standard deviation

b)	The IQR and standard deviation

c)	The median and IQR

d)	The mean and median

Question 32 (1 point)

Which of the following variables is not categorical?

Question 32 options:

a)	The gender of a person

b)	Age of machinery in factory

c)	A person's marital status

d)	A person's cultural heritage

Question 33 (1 point)

Which of the following is not affected by outliers?

Question 33 options:

a)

Mean

b)	Standard deviation

c)	Interquartile range

d)

Median

Question 34 (1 point)

Which of the following best describes a distribution that does not have the normal bell shape?

Question 34 options:

a)	There are no identifiable outliers

b)	The range is larger than the interquartile range

c)	The range is equal to 7 standard deviations

d)	The mean is very small compared to the larger median