Using the Notation C = Continuous and D = Discrete

question 39

Essay

Using the notation C = continuous and D = discrete, indicate whether each of the
random variables is discrete or continuous.
a) The number of steps to the principal's office from a randomly selected location
at a particular school.
b) The average night time temperature on a randomly selected day in July at Long's
Peak in Colorado
c) The number of eggs in a kitchen on a randomly selected day.
d) The number of sentences in a short story selected at random from a collection
of short stories.
e) The circumference of a randomly selected California redwood tree

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Definitions:

Parameter

A numerical characteristic or measure of a population, such as its mean or variance, which is often estimated using sample data.

Population

The entire aggregation of items or individuals from which samples can be drawn for statistical analysis.

Degrees of Freedom

The number of independent pieces of information available to estimate another piece of information or the parameter of a distribution.

Paired Differences

Refers to the differences between paired observations in a sample, often used in statistical tests to analyze changes or effects in repeated measurements.