MATH 110 Module 1 Exam
1. Define each of the following:
a) Observation.
When a study is conducted, "observation" is known as all the info gathered and/or observed for each
element in the study.
b) Element.
In a study, the "element" is described as the individual and/or particular entry of the data set in which
the data is being collected for. The data of the element will be collected, analyzed, and presented in
a same manner to differentiate.
c) Variable.
According to module 1, a variable is defined as a "particular measurable attribute that the
researcher believes is needed to describe the element in the study".
Answer Key
Define each of the following:
a) Observation.
a) An observation is all the information collected for each element in a study.
b) Element.
b) The element of a data set is simply the individual and unique entry in a data set about which data
has been collected, analyzed and presented in the same manner.
c) Variable.
c) A variable is a particular, measurable attribute that the researcher believes is needed to describe
the element in their study.
2. Explain statistical inference.
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