AP Statistics Unit 1 Topics (Chapter 1 and 2 in Textbook)

What is the entire collection of individuals or objects that information is gathered from?

• population

• sample

• variable

• statistic

What are subsets of population that is randomly selected called?

• strata

• samples

• groups

• clusters

What is performed to gather information about an entire population?

• Census

• Survey

• Sampling

• Experiment

What is the method of organizing and summarizing data called?

• The method of organizing and summarizing data is called statistics.

• The method of organizing and summarizing data is called algebra.

• The method of organizing and summarizing data is called calculus.

• The method of organizing and summarizing data is called geometry.

What is making generalizations from a sample to a population called?

• Making generalizations from a sample to a population is called statistical inference.

• Sampling error

• Descriptive statistics

• Data mining

What are characteristics that be measured or counted called?

• Variables

• Constants

• Attributes

• Qualities

What are actual observations collected called?

• actual observations

• data points

• measurements

• records

What type of variable has no meaningful numerical value (color, gender, etc)?

• Categorical variable

• Numerical variable

• Continuous variable

• Discrete variable

What type of variable involves measurements that can be averaged?

• Variable type that can be averaged is a continuous variable.

• Variable type that can be averaged is a categorical variable.

• Variable type that can be averaged is a nominal variable.

• Variable type that can be averaged is an ordinal variable.

What type of numerical data can only be specific values (counting, shoe sizes, etc)?

• Discrete data

• Continuous data

• Qualitative data

• Nominal data