Statistical Variability Pre-Assessment

A ___________ is a question that anticipates an answer based on data that vary.

• funny question

• statistical question

• mathematical question

_______ are categories, numbers, or observations gathered in response to a statistical question.

• data

• answers

• responses

In statistics, _________ means that the value of the attribute being studied can change from one person or thing to another.

• indecisiveness

• constant

• variability

____________ data are data for which each piece of data fits into exactly one of several different groups or categories.

• Quantitative

• Qualitative

• Grouping

Another name for categorical data is __________.

• qualitative data

• quantitative data

______________ data, or numerical data, are data for which each piece of data can be placed on a numerical scale and compared.

• quantitative

• qualitative

• messy

A __________ is an entire set of items from which data are collected.

• category

• sample

• population

A ____________ is a selection from a population.

• sample

• data

• survey

Which of the following is NOT a common method of data collection?

• frequency distribution

• surveys

• observational studies

• experiments

A(n) ___________ is the number of times an item or number occurs in a data set.

• variability

• data

• frequency

• experiment