STATISTICS PORTAGE LEARNING PRACTICE
QUESTIONS AND DETAILED SOLUTIONS
◉ descriptive statistics.
Answer: a complied summary of the data analysis (tabular,
graphical, or numerical forms) (uses numerical and graphical
methods to explore data, look at patterns, summarize info, present
info)
◉ inferential statistics.
Answer: the use of a sample to make decisions about a population
◉ population.
Answer: the entire number of items in a large group
◉ sample.
Answer: a smaller representative group from the population
◉ qualitative data.
Answer: observations classified into a group of categories, not on a
numerical scale (can be numerical or categorical). Examples are age,
gender)
QUESTIONS AND DETAILED SOLUTIONS
◉ descriptive statistics.
Answer: a complied summary of the data analysis (tabular,
graphical, or numerical forms) (uses numerical and graphical
methods to explore data, look at patterns, summarize info, present
info)
◉ inferential statistics.
Answer: the use of a sample to make decisions about a population
◉ population.
Answer: the entire number of items in a large group
◉ sample.
Answer: a smaller representative group from the population
◉ qualitative data.
Answer: observations classified into a group of categories, not on a
numerical scale (can be numerical or categorical). Examples are age,
gender)
