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The measure of location which is the most likely to be influenced by extreme values in the data set is the *

median

mode

mean

range

In a questionnaire, respondents are asked to mark their gender as male or female. The scale of measurement for gender is *

nominal

ordinal

interval

ratio

Two events with nonzero probabilities *

can be both mutually exclusive and independent.

are always mutually exclusive

are always independent.

cannot be both mutually exclusive and independent.

Which of the following is an example of non-probabilistic sampling? *

stratified simple random sampling

simple random sampling

cluster sampling

judgment sampling

is an example of a *

population parameter.

sample statistic

population variance.

mode.

In a five number summary, which of the following is not used for data summarization? *

the smallest value

the largest value

the median

mean

Five percent of the customers of a mortgage company default on their payments. A sample of ten customers is selected. What is the probability that exactly two customers in the sample will default on their payments? *

.0879

.0897

.0756

.0746

The scale of measurement that is used to rank order the observation for a categorical variable is called the *

nominal scale

ordinal scale

ratio scale

interval scale

When data are positively skewed, the mean will usually be *

smaller than the median.

greater than the median

equal to the median.

positive.

Any process that generates well-defined outcomes is *

an experiment

a sample point.

an event

a sample space.

According to the empirical rule, approximately what percentage of normally distributed data lies within one standard deviation of the mean? *

59%

95%

68%

99.7%